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-rw-r--r--clang/lib/AST/StmtProfile.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index a86fded2a2c..72efca00403 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -1412,6 +1412,15 @@ static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
llvm_unreachable("Invalid overloaded operator expression");
}
+#if defined(_MSC_VER)
+#if _MSC_VER == 1911
+// Work around https://developercommunity.visualstudio.com/content/problem/84002/clang-cl-when-built-with-vc-2017-crashes-cause-vc.html
+// MSVC 2017 update 3 miscompiles this function, and a clang built with it
+// will crash in stage 2 of a bootstrap build.
+#pragma optimize("", off)
+#endif
+#endif
+
void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
if (S->isTypeDependent()) {
// Type-dependent operator calls are profiled like their underlying
@@ -1444,6 +1453,12 @@ void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
ID.AddInteger(S->getOperator());
}
+#if defined(_MSC_VER)
+#if _MSC_VER == 1911
+#pragma optimize("", on)
+#endif
+#endif
+
void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
VisitCallExpr(S);
}
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