From bfc6eaa26326e4d0d20d1f4a1f0064c6df0135bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hana=20Dus=C3=ADkov=C3=A1?= <hanicka@hanicka.net>
Date: Thu, 1 Feb 2024 23:31:32 +0100
Subject: [coverage] fix crash in code coverage and `if constexpr` with
 `ExprWithCleanups` (#80292)

Fixes https://github.com/llvm/llvm-project/issues/80285
---
 clang/lib/CodeGen/CoverageMappingGen.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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

diff --git a/clang/lib/CodeGen/CoverageMappingGen.cpp b/clang/lib/CodeGen/CoverageMappingGen.cpp
index 8b5e6c4..f7f7354 100644
--- a/clang/lib/CodeGen/CoverageMappingGen.cpp
+++ b/clang/lib/CodeGen/CoverageMappingGen.cpp
@@ -1812,8 +1812,10 @@ struct CounterCoverageMappingBuilder
     assert(S->isConstexpr());
 
     // evaluate constant condition...
-    const auto *E = cast<ConstantExpr>(S->getCond());
-    const bool isTrue = E->getResultAsAPSInt().getExtValue();
+    const bool isTrue =
+        S->getCond()
+            ->EvaluateKnownConstInt(CVM.getCodeGenModule().getContext())
+            .getBoolValue();
 
     extendRegion(S);
 
-- 
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