Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/build/build-clang/downgrade-mangling-error.patch b/build/build-clang/downgrade-mangling-error.patch
new file mode 100644
index 0000000000..69f46f4dd0
--- /dev/null
+++ b/build/build-clang/downgrade-mangling-error.patch
@@ -0,0 +1,23 @@
+Downgrade unimplemented mangling diagnostic from error to note.
+This codepath is exercised by MozsearchIndexer.cpp (the searchfox
+indexer) when indexing on Windows. We can do without having the
+unimplemented bits for now as long the compiler doesn't fail the
+build. See also https://bugs.llvm.org/show_bug.cgi?id=39294
+
+diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
+index 8b1419074df5..4436cd118f87 100644
+--- a/clang/lib/AST/ItaniumMangle.cpp
++++ b/clang/lib/AST/ItaniumMangle.cpp
+@@ -3847,10 +3847,11 @@ recurse:
+     if (!NullOut) {
+       // As bad as this diagnostic is, it's better than crashing.
+       DiagnosticsEngine &Diags = Context.getDiags();
+-      unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error,
++      unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Remark,
+                                        "cannot yet mangle expression type %0");
+       Diags.Report(E->getExprLoc(), DiagID)
+         << E->getStmtClassName() << E->getSourceRange();
++      Out << "MOZ_WE_HACKED_AROUND_BUG_1418415";
+     }
+     break;
+   }