From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/run-make-fulldeps/issue-7349/Makefile | 11 +++++++++++
 src/test/run-make-fulldeps/issue-7349/foo.rs   | 22 ++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 src/test/run-make-fulldeps/issue-7349/Makefile
 create mode 100644 src/test/run-make-fulldeps/issue-7349/foo.rs

(limited to 'src/test/run-make-fulldeps/issue-7349')

diff --git a/src/test/run-make-fulldeps/issue-7349/Makefile b/src/test/run-make-fulldeps/issue-7349/Makefile
new file mode 100644
index 000000000..9658b99e3
--- /dev/null
+++ b/src/test/run-make-fulldeps/issue-7349/Makefile
@@ -0,0 +1,11 @@
+-include ../tools.mk
+
+# Test to make sure that inner functions within a polymorphic outer function
+# don't get re-codegened when the outer function is monomorphized.  The test
+# code monomorphizes the outer functions several times, but the magic constants
+# used in the inner functions should each appear only once in the generated IR.
+
+all:
+	$(RUSTC) foo.rs --emit=llvm-ir
+	[ "$$(grep -c 'ret i32 8675309' "$(TMPDIR)/foo.ll")" -eq "1" ]
+	[ "$$(grep -c 'ret i32 11235813' "$(TMPDIR)/foo.ll")" -eq "1" ]
diff --git a/src/test/run-make-fulldeps/issue-7349/foo.rs b/src/test/run-make-fulldeps/issue-7349/foo.rs
new file mode 100644
index 000000000..246a12595
--- /dev/null
+++ b/src/test/run-make-fulldeps/issue-7349/foo.rs
@@ -0,0 +1,22 @@
+fn outer<T>() {
+    #[allow(dead_code)]
+    fn inner() -> u32 {
+        8675309
+    }
+    inner();
+}
+
+extern "C" fn outer_foreign<T>() {
+    #[allow(dead_code)]
+    fn inner() -> u32 {
+        11235813
+    }
+    inner();
+}
+
+fn main() {
+    outer::<isize>();
+    outer::<usize>();
+    outer_foreign::<isize>();
+    outer_foreign::<usize>();
+}
-- 
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