From 21d25d2bcd74a311ddfea970c028e0b8d5ea129f Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka@google.com>
Date: Mon, 4 Nov 2024 16:00:22 -0800
Subject: [ubsan] Suppression by type for `-fsanitize=enum` (#114754)

Similar to #107332.
---
 clang/lib/CodeGen/CGExpr.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'clang/lib/CodeGen/CGExpr.cpp')

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index e90e8da3e9f1..3388a6df466d 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -1941,6 +1941,10 @@ bool CodeGenFunction::EmitScalarRangeCheck(llvm::Value *Value, QualType Ty,
       cast<llvm::IntegerType>(Value->getType())->getBitWidth() == 1)
     return false;
 
+  if (NeedsEnumCheck &&
+      getContext().isTypeIgnoredBySanitizer(SanitizerKind::Enum, Ty))
+    return false;
+
   llvm::APInt Min, End;
   if (!getRangeForType(*this, Ty, Min, End, /*StrictEnums=*/true, IsBool))
     return true;
-- 
cgit v1.2.3