From 94a0819fe3a0d679c3042a77bfe6a2afc505daea Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:28 +0200
Subject: Adding upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/etc/natvis/intrinsic.natvis | 249 +++++++++++++++++++++++++++++-----------
 src/etc/natvis/liballoc.natvis  |   8 --
 src/etc/natvis/libcore.natvis   |   4 +-
 3 files changed, 183 insertions(+), 78 deletions(-)

(limited to 'src/etc/natvis')

diff --git a/src/etc/natvis/intrinsic.natvis b/src/etc/natvis/intrinsic.natvis
index 558536fa6..277e57aaf 100644
--- a/src/etc/natvis/intrinsic.natvis
+++ b/src/etc/natvis/intrinsic.natvis
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
   <Type Name="str">
     <DisplayString>{(char*)data_ptr,[length]s8}</DisplayString>
@@ -150,76 +150,189 @@
     </Expand>
   </Type>
 
-  <!-- Directly tagged enums. $T1 is the type name -->
-  <Type Name="enum$&lt;*&gt;">
-    <Intrinsic Name="tag" Expression="discriminant" />
-    <DisplayString Condition="tag() == 0">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 1" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 2" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 3" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 4" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 5" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 6" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 7" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 8" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 9" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 10" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 11" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 12" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 13" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 14" Optional="true">{tag(),en}</DisplayString>
-    <DisplayString Condition="tag() == 15" Optional="true">{tag(),en}</DisplayString>
+  <!--
+    This is the visualizer for all enums. It takes care of selecting the active variant.
+    See `compiler\rustc_codegen_llvm\src\debuginfo\metadata\enums\cpp_like.rs` for more information.
+  -->
+  <Type Name="enum2$&lt;*&gt;">
+    <!-- NOTE: That tag ranges can wrap around, in which case `end` is less than `begin` and we
+               have to do a different check -->
+    <Intrinsic Name="in_range" Expression="(begin &lt;= end) ? ((x &gt;= begin) &amp;&amp; (x &lt;= end)) : ((x &gt;= begin) || (x &lt;= end))">
+      <Parameter Name="x" Type="unsigned __int64" />
+      <Parameter Name="begin" Type="unsigned __int64" />
+      <Parameter Name="end" Type="unsigned __int64" />
+    </Intrinsic>
 
-    <Expand>
-      <Synthetic Name="[variant]">
-        <DisplayString>{tag(),en}</DisplayString>
-      </Synthetic>
-      <ExpandedItem Condition="tag() == 0">variant0</ExpandedItem>
-      <ExpandedItem Condition="tag() == 1" Optional="true">variant1</ExpandedItem>
-      <ExpandedItem Condition="tag() == 2" Optional="true">variant2</ExpandedItem>
-      <ExpandedItem Condition="tag() == 3" Optional="true">variant3</ExpandedItem>
-      <ExpandedItem Condition="tag() == 4" Optional="true">variant4</ExpandedItem>
-      <ExpandedItem Condition="tag() == 5" Optional="true">variant5</ExpandedItem>
-      <ExpandedItem Condition="tag() == 6" Optional="true">variant6</ExpandedItem>
-      <ExpandedItem Condition="tag() == 7" Optional="true">variant7</ExpandedItem>
-      <ExpandedItem Condition="tag() == 8" Optional="true">variant8</ExpandedItem>
-      <ExpandedItem Condition="tag() == 9" Optional="true">variant9</ExpandedItem>
-      <ExpandedItem Condition="tag() == 10" Optional="true">variant10</ExpandedItem>
-      <ExpandedItem Condition="tag() == 11" Optional="true">variant11</ExpandedItem>
-      <ExpandedItem Condition="tag() == 12" Optional="true">variant12</ExpandedItem>
-      <ExpandedItem Condition="tag() == 13" Optional="true">variant13</ExpandedItem>
-      <ExpandedItem Condition="tag() == 14" Optional="true">variant14</ExpandedItem>
-      <ExpandedItem Condition="tag() == 15" Optional="true">variant15</ExpandedItem>
-    </Expand>
-  </Type>
+    <Intrinsic Name="eq128" Expression="(x_hi == y_hi) &amp;&amp; (x_lo == y_lo)">
+      <Parameter Name="x_hi" Type="unsigned __int64" />
+      <Parameter Name="x_lo" Type="unsigned __int64" />
+      <Parameter Name="y_hi" Type="unsigned __int64" />
+      <Parameter Name="y_lo" Type="unsigned __int64" />
+    </Intrinsic>
 
-  <!-- Single variant enums. $T1 is the name of the enum, $T2 is the name of the variant -->
-  <Type Name="enum$&lt;*, *&gt;">
-    <DisplayString>{"$T2",sb}</DisplayString>
-    <Expand>
-      <Synthetic Name="[variant]">
-        <DisplayString>{"$T2",sb}</DisplayString>
-      </Synthetic>
-      <ExpandedItem>$T2</ExpandedItem>
-    </Expand>
-  </Type>
+    <Intrinsic Name="lt128" Expression="(x_hi &lt; y_hi) || ((x_hi == y_hi) &amp;&amp; (x_lo &lt; y_lo))">
+      <Parameter Name="x_hi" Type="unsigned __int64" />
+      <Parameter Name="x_lo" Type="unsigned __int64" />
+      <Parameter Name="y_hi" Type="unsigned __int64" />
+      <Parameter Name="y_lo" Type="unsigned __int64" />
+    </Intrinsic>
 
-  <!-- Niche-layout enums. $T1 is the name of the enum, $T2 is the low value of the dataful
-       variant tag, $T3 is the high value of the dataful variant tag, $T4 is the name of
-       the dataful variant -->
-  <Type Name="enum$&lt;*, *, *, *&gt;">
-    <Intrinsic Name="tag" Expression="discriminant" />
-    <Intrinsic Name="is_dataful" Expression="tag() &gt;= $T2 &amp;&amp; tag() &lt;= $T3" />
-    <DisplayString Condition="is_dataful()">{"$T4",sb}({dataful_variant})</DisplayString>
-    <DisplayString Condition="!is_dataful()">{discriminant,en}</DisplayString>
-    <Expand>
-      <ExpandedItem Condition="is_dataful()">dataful_variant</ExpandedItem>
-      <Synthetic Condition="is_dataful()" Name="[variant]">
-        <DisplayString>{"$T4",sb}</DisplayString>
-      </Synthetic>
-      <Synthetic Condition="!is_dataful()" Name="[variant]">
-        <DisplayString>{discriminant,en}</DisplayString>
-      </Synthetic>
+    <Intrinsic Name="lt_or_eq128" Expression="((x_hi == y_hi) &amp;&amp; (x_lo == y_lo)) || lt128(x_hi, x_lo, y_hi, y_lo)">
+      <Parameter Name="x_hi" Type="unsigned __int64" />
+      <Parameter Name="x_lo" Type="unsigned __int64" />
+      <Parameter Name="y_hi" Type="unsigned __int64" />
+      <Parameter Name="y_lo" Type="unsigned __int64" />
+    </Intrinsic>
+
+    <!-- NOTE: That tag ranges can wrap around, in which case `end` is less than `begin` and we
+               have to do a different check -->
+    <Intrinsic Name="in_range128" Expression="(lt_or_eq128(begin_hi, begin_lo, end_hi, end_lo)) ?
+                                              (lt_or_eq128(begin_hi, begin_lo, x_hi, x_lo) &amp;&amp; lt_or_eq128(x_hi, x_lo, end_hi, end_lo)) :
+                                              (lt_or_eq128(begin_hi, begin_lo, x_hi, x_lo) || lt_or_eq128(x_hi, x_lo, end_hi, end_lo))">
+      <Parameter Name="x_hi" Type="unsigned __int64" />
+      <Parameter Name="x_lo" Type="unsigned __int64" />
+      <Parameter Name="begin_hi" Type="unsigned __int64" />
+      <Parameter Name="begin_lo" Type="unsigned __int64" />
+      <Parameter Name="end_hi" Type="unsigned __int64" />
+      <Parameter Name="end_lo" Type="unsigned __int64" />
+    </Intrinsic>
+
+    <DisplayString Condition="tag == variant0.DISCR_EXACT" Optional="true">{variant0.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant1.DISCR_EXACT" Optional="true">{variant1.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant2.DISCR_EXACT" Optional="true">{variant2.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant3.DISCR_EXACT" Optional="true">{variant3.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant4.DISCR_EXACT" Optional="true">{variant4.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant5.DISCR_EXACT" Optional="true">{variant5.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant6.DISCR_EXACT" Optional="true">{variant6.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant7.DISCR_EXACT" Optional="true">{variant7.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant8.DISCR_EXACT" Optional="true">{variant8.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant9.DISCR_EXACT" Optional="true">{variant9.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant10.DISCR_EXACT" Optional="true">{variant10.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant11.DISCR_EXACT" Optional="true">{variant11.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant12.DISCR_EXACT" Optional="true">{variant12.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant13.DISCR_EXACT" Optional="true">{variant13.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant14.DISCR_EXACT" Optional="true">{variant14.NAME,en}</DisplayString>
+    <DisplayString Condition="tag == variant15.DISCR_EXACT" Optional="true">{variant15.NAME,en}</DisplayString>
+
+    <DisplayString Condition="in_range(tag, variant0.DISCR_BEGIN, variant0.DISCR_END)" Optional="true">{variant0.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant1.DISCR_BEGIN, variant1.DISCR_END)" Optional="true">{variant1.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant2.DISCR_BEGIN, variant2.DISCR_END)" Optional="true">{variant2.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant3.DISCR_BEGIN, variant3.DISCR_END)" Optional="true">{variant3.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant4.DISCR_BEGIN, variant4.DISCR_END)" Optional="true">{variant4.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant5.DISCR_BEGIN, variant5.DISCR_END)" Optional="true">{variant5.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant6.DISCR_BEGIN, variant6.DISCR_END)" Optional="true">{variant6.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant7.DISCR_BEGIN, variant7.DISCR_END)" Optional="true">{variant7.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant8.DISCR_BEGIN, variant8.DISCR_END)" Optional="true">{variant8.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant9.DISCR_BEGIN, variant9.DISCR_END)" Optional="true">{variant9.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant10.DISCR_BEGIN, variant10.DISCR_END)" Optional="true">{variant10.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant11.DISCR_BEGIN, variant11.DISCR_END)" Optional="true">{variant11.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant12.DISCR_BEGIN, variant12.DISCR_END)" Optional="true">{variant12.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant13.DISCR_BEGIN, variant13.DISCR_END)" Optional="true">{variant13.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant14.DISCR_BEGIN, variant14.DISCR_END)" Optional="true">{variant14.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range(tag, variant15.DISCR_BEGIN, variant15.DISCR_END)" Optional="true">{variant15.NAME,en}</DisplayString>
+
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant0.DISCR128_EXACT_HI, variant0.DISCR128_EXACT_LO)" Optional="true">{variant0.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant1.DISCR128_EXACT_HI, variant1.DISCR128_EXACT_LO)" Optional="true">{variant1.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant2.DISCR128_EXACT_HI, variant2.DISCR128_EXACT_LO)" Optional="true">{variant2.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant3.DISCR128_EXACT_HI, variant3.DISCR128_EXACT_LO)" Optional="true">{variant3.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant4.DISCR128_EXACT_HI, variant4.DISCR128_EXACT_LO)" Optional="true">{variant4.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant5.DISCR128_EXACT_HI, variant5.DISCR128_EXACT_LO)" Optional="true">{variant5.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant6.DISCR128_EXACT_HI, variant6.DISCR128_EXACT_LO)" Optional="true">{variant6.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant7.DISCR128_EXACT_HI, variant7.DISCR128_EXACT_LO)" Optional="true">{variant7.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant8.DISCR128_EXACT_HI, variant8.DISCR128_EXACT_LO)" Optional="true">{variant8.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant9.DISCR128_EXACT_HI, variant9.DISCR128_EXACT_LO)" Optional="true">{variant9.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant10.DISCR128_EXACT_HI, variant10.DISCR128_EXACT_LO)" Optional="true">{variant10.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant11.DISCR128_EXACT_HI, variant11.DISCR128_EXACT_LO)" Optional="true">{variant11.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant12.DISCR128_EXACT_HI, variant12.DISCR128_EXACT_LO)" Optional="true">{variant12.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant13.DISCR128_EXACT_HI, variant13.DISCR128_EXACT_LO)" Optional="true">{variant13.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant14.DISCR128_EXACT_HI, variant14.DISCR128_EXACT_LO)" Optional="true">{variant14.NAME,en}</DisplayString>
+    <DisplayString Condition="eq128(tag128_hi, tag128_lo, variant15.DISCR128_EXACT_HI, variant15.DISCR128_EXACT_LO)" Optional="true">{variant15.NAME,en}</DisplayString>
+
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant0.DISCR128_BEGIN_HI, variant0.DISCR128_BEGIN_LO, variant0.DISCR128_END_HI, variant0.DISCR128_END_LO)" Optional="true">{variant0.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant1.DISCR128_BEGIN_HI, variant1.DISCR128_BEGIN_LO, variant1.DISCR128_END_HI, variant1.DISCR128_END_LO)" Optional="true">{variant1.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant2.DISCR128_BEGIN_HI, variant2.DISCR128_BEGIN_LO, variant2.DISCR128_END_HI, variant2.DISCR128_END_LO)" Optional="true">{variant2.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant3.DISCR128_BEGIN_HI, variant3.DISCR128_BEGIN_LO, variant3.DISCR128_END_HI, variant3.DISCR128_END_LO)" Optional="true">{variant3.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant4.DISCR128_BEGIN_HI, variant4.DISCR128_BEGIN_LO, variant4.DISCR128_END_HI, variant4.DISCR128_END_LO)" Optional="true">{variant4.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant5.DISCR128_BEGIN_HI, variant5.DISCR128_BEGIN_LO, variant5.DISCR128_END_HI, variant5.DISCR128_END_LO)" Optional="true">{variant5.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant6.DISCR128_BEGIN_HI, variant6.DISCR128_BEGIN_LO, variant6.DISCR128_END_HI, variant6.DISCR128_END_LO)" Optional="true">{variant6.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant7.DISCR128_BEGIN_HI, variant7.DISCR128_BEGIN_LO, variant7.DISCR128_END_HI, variant7.DISCR128_END_LO)" Optional="true">{variant7.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant8.DISCR128_BEGIN_HI, variant8.DISCR128_BEGIN_LO, variant8.DISCR128_END_HI, variant8.DISCR128_END_LO)" Optional="true">{variant8.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant9.DISCR128_BEGIN_HI, variant9.DISCR128_BEGIN_LO, variant9.DISCR128_END_HI, variant9.DISCR128_END_LO)" Optional="true">{variant9.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant10.DISCR128_BEGIN_HI, variant10.DISCR128_BEGIN_LO, variant10.DISCR128_END_HI, variant10.DISCR128_END_LO)" Optional="true">{variant10.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant11.DISCR128_BEGIN_HI, variant11.DISCR128_BEGIN_LO, variant11.DISCR128_END_HI, variant11.DISCR128_END_LO)" Optional="true">{variant11.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant12.DISCR128_BEGIN_HI, variant12.DISCR128_BEGIN_LO, variant12.DISCR128_END_HI, variant12.DISCR128_END_LO)" Optional="true">{variant12.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant13.DISCR128_BEGIN_HI, variant13.DISCR128_BEGIN_LO, variant13.DISCR128_END_HI, variant13.DISCR128_END_LO)" Optional="true">{variant13.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant14.DISCR128_BEGIN_HI, variant14.DISCR128_BEGIN_LO, variant14.DISCR128_END_HI, variant14.DISCR128_END_LO)" Optional="true">{variant14.NAME,en}</DisplayString>
+    <DisplayString Condition="in_range128(tag128_hi, tag128_lo, variant15.DISCR128_BEGIN_HI, variant15.DISCR128_BEGIN_LO, variant15.DISCR128_END_HI, variant15.DISCR128_END_LO)" Optional="true">{variant15.NAME,en}</DisplayString>
+
+    <Expand HideRawView="true">
+      <ExpandedItem Condition="tag == variant0.DISCR_EXACT" Optional="true">variant0.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant1.DISCR_EXACT" Optional="true">variant1.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant2.DISCR_EXACT" Optional="true">variant2.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant3.DISCR_EXACT" Optional="true">variant3.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant4.DISCR_EXACT" Optional="true">variant4.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant5.DISCR_EXACT" Optional="true">variant5.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant6.DISCR_EXACT" Optional="true">variant6.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant7.DISCR_EXACT" Optional="true">variant7.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant8.DISCR_EXACT" Optional="true">variant8.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant9.DISCR_EXACT" Optional="true">variant9.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant10.DISCR_EXACT" Optional="true">variant10.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant11.DISCR_EXACT" Optional="true">variant11.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant12.DISCR_EXACT" Optional="true">variant12.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant13.DISCR_EXACT" Optional="true">variant13.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant14.DISCR_EXACT" Optional="true">variant14.value</ExpandedItem>
+      <ExpandedItem Condition="tag == variant15.DISCR_EXACT" Optional="true">variant15.value</ExpandedItem>
+
+      <ExpandedItem Condition="in_range(tag, variant0.DISCR_BEGIN, variant0.DISCR_END)" Optional="true">variant0.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant1.DISCR_BEGIN, variant1.DISCR_END)" Optional="true">variant1.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant2.DISCR_BEGIN, variant2.DISCR_END)" Optional="true">variant2.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant3.DISCR_BEGIN, variant3.DISCR_END)" Optional="true">variant3.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant4.DISCR_BEGIN, variant4.DISCR_END)" Optional="true">variant4.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant5.DISCR_BEGIN, variant5.DISCR_END)" Optional="true">variant5.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant6.DISCR_BEGIN, variant6.DISCR_END)" Optional="true">variant6.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant7.DISCR_BEGIN, variant7.DISCR_END)" Optional="true">variant7.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant8.DISCR_BEGIN, variant8.DISCR_END)" Optional="true">variant8.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant9.DISCR_BEGIN, variant9.DISCR_END)" Optional="true">variant9.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant10.DISCR_BEGIN, variant10.DISCR_END)" Optional="true">variant10.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant11.DISCR_BEGIN, variant11.DISCR_END)" Optional="true">variant11.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant12.DISCR_BEGIN, variant12.DISCR_END)" Optional="true">variant12.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant13.DISCR_BEGIN, variant13.DISCR_END)" Optional="true">variant13.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant14.DISCR_BEGIN, variant14.DISCR_END)" Optional="true">variant14.value</ExpandedItem>
+      <ExpandedItem Condition="in_range(tag, variant15.DISCR_BEGIN, variant15.DISCR_END)" Optional="true">variant15.value</ExpandedItem>
+
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant0.DISCR128_EXACT_HI, variant0.DISCR128_EXACT_LO)" Optional="true">variant0.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant1.DISCR128_EXACT_HI, variant1.DISCR128_EXACT_LO)" Optional="true">variant1.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant2.DISCR128_EXACT_HI, variant2.DISCR128_EXACT_LO)" Optional="true">variant2.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant3.DISCR128_EXACT_HI, variant3.DISCR128_EXACT_LO)" Optional="true">variant3.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant4.DISCR128_EXACT_HI, variant4.DISCR128_EXACT_LO)" Optional="true">variant4.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant5.DISCR128_EXACT_HI, variant5.DISCR128_EXACT_LO)" Optional="true">variant5.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant6.DISCR128_EXACT_HI, variant6.DISCR128_EXACT_LO)" Optional="true">variant6.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant7.DISCR128_EXACT_HI, variant7.DISCR128_EXACT_LO)" Optional="true">variant7.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant8.DISCR128_EXACT_HI, variant8.DISCR128_EXACT_LO)" Optional="true">variant8.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant9.DISCR128_EXACT_HI, variant9.DISCR128_EXACT_LO)" Optional="true">variant9.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant10.DISCR128_EXACT_HI, variant10.DISCR128_EXACT_LO)" Optional="true">variant10.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant11.DISCR128_EXACT_HI, variant11.DISCR128_EXACT_LO)" Optional="true">variant11.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant12.DISCR128_EXACT_HI, variant12.DISCR128_EXACT_LO)" Optional="true">variant12.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant13.DISCR128_EXACT_HI, variant13.DISCR128_EXACT_LO)" Optional="true">variant13.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant14.DISCR128_EXACT_HI, variant14.DISCR128_EXACT_LO)" Optional="true">variant14.value</ExpandedItem>
+      <ExpandedItem Condition="eq128(tag128_hi, tag128_lo, variant15.DISCR128_EXACT_HI, variant15.DISCR128_EXACT_LO)" Optional="true">variant15.value</ExpandedItem>
+
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant0.DISCR128_BEGIN_HI, variant0.DISCR128_BEGIN_LO, variant0.DISCR128_END_HI, variant0.DISCR128_END_LO)" Optional="true">variant0.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant1.DISCR128_BEGIN_HI, variant1.DISCR128_BEGIN_LO, variant1.DISCR128_END_HI, variant1.DISCR128_END_LO)" Optional="true">variant1.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant2.DISCR128_BEGIN_HI, variant2.DISCR128_BEGIN_LO, variant2.DISCR128_END_HI, variant2.DISCR128_END_LO)" Optional="true">variant2.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant3.DISCR128_BEGIN_HI, variant3.DISCR128_BEGIN_LO, variant3.DISCR128_END_HI, variant3.DISCR128_END_LO)" Optional="true">variant3.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant4.DISCR128_BEGIN_HI, variant4.DISCR128_BEGIN_LO, variant4.DISCR128_END_HI, variant4.DISCR128_END_LO)" Optional="true">variant4.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant5.DISCR128_BEGIN_HI, variant5.DISCR128_BEGIN_LO, variant5.DISCR128_END_HI, variant5.DISCR128_END_LO)" Optional="true">variant5.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant6.DISCR128_BEGIN_HI, variant6.DISCR128_BEGIN_LO, variant6.DISCR128_END_HI, variant6.DISCR128_END_LO)" Optional="true">variant6.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant7.DISCR128_BEGIN_HI, variant7.DISCR128_BEGIN_LO, variant7.DISCR128_END_HI, variant7.DISCR128_END_LO)" Optional="true">variant7.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant8.DISCR128_BEGIN_HI, variant8.DISCR128_BEGIN_LO, variant8.DISCR128_END_HI, variant8.DISCR128_END_LO)" Optional="true">variant8.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant9.DISCR128_BEGIN_HI, variant9.DISCR128_BEGIN_LO, variant9.DISCR128_END_HI, variant9.DISCR128_END_LO)" Optional="true">variant9.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant10.DISCR128_BEGIN_HI, variant10.DISCR128_BEGIN_LO, variant10.DISCR128_END_HI, variant10.DISCR128_END_LO)" Optional="true">variant10.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant11.DISCR128_BEGIN_HI, variant11.DISCR128_BEGIN_LO, variant11.DISCR128_END_HI, variant11.DISCR128_END_LO)" Optional="true">variant11.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant12.DISCR128_BEGIN_HI, variant12.DISCR128_BEGIN_LO, variant12.DISCR128_END_HI, variant12.DISCR128_END_LO)" Optional="true">variant12.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant13.DISCR128_BEGIN_HI, variant13.DISCR128_BEGIN_LO, variant13.DISCR128_END_HI, variant13.DISCR128_END_LO)" Optional="true">variant13.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant14.DISCR128_BEGIN_HI, variant14.DISCR128_BEGIN_LO, variant14.DISCR128_END_HI, variant14.DISCR128_END_LO)" Optional="true">variant14.value</ExpandedItem>
+      <ExpandedItem Condition="in_range128(tag128_hi, tag128_lo, variant15.DISCR128_BEGIN_HI, variant15.DISCR128_BEGIN_LO, variant15.DISCR128_END_HI, variant15.DISCR128_END_LO)" Optional="true">variant15.value</ExpandedItem>
     </Expand>
   </Type>
 </AutoVisualizer>
diff --git a/src/etc/natvis/liballoc.natvis b/src/etc/natvis/liballoc.natvis
index 912418fa7..bf6c02b91 100644
--- a/src/etc/natvis/liballoc.natvis
+++ b/src/etc/natvis/liballoc.natvis
@@ -185,12 +185,4 @@
       </ArrayItems>
     </Expand>
   </Type>
-
-  <Type Name="alloc::borrow::Cow&lt;*&gt;">
-    <DisplayString Condition="RUST$ENUM$DISR == 0x0">Borrowed({__0})</DisplayString>
-    <DisplayString Condition="RUST$ENUM$DISR == 0x1">Owned({__0})</DisplayString>
-    <Expand>
-      <Item Name="[value]" ExcludeView="simple">__0</Item>
-    </Expand>
-  </Type>
 </AutoVisualizer>
diff --git a/src/etc/natvis/libcore.natvis b/src/etc/natvis/libcore.natvis
index a4e8a57e4..624d8cc5c 100644
--- a/src/etc/natvis/libcore.natvis
+++ b/src/etc/natvis/libcore.natvis
@@ -154,10 +154,10 @@
   </Type>
 
   <Type Name="core::time::Duration">
-    <DisplayString>{secs,d}s {nanos,d}ns</DisplayString>
+    <DisplayString>{secs,d}s {nanos.__0,d}ns</DisplayString>
     <Expand>
       <Item Name="seconds">secs,d</Item>
-      <Item Name="nanoseconds">nanos,d</Item>
+      <Item Name="nanoseconds">nanos.__0,d</Item>
     </Expand>
   </Type>
 </AutoVisualizer>
-- 
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