From dc28f9d087324f77db81e7192648a17ebf036125 Mon Sep 17 00:00:00 2001
From: Timm Baeder <tbaeder@redhat.com>
Date: Thu, 8 May 2025 05:22:11 +0200
Subject: [clang][ExprConstant] Bail out on invalid lambda capture inits
 (#138832)

Fixes https://github.com/llvm/llvm-project/issues/138824
---
 clang/lib/AST/ByteCode/Compiler.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'clang/lib/AST/ByteCode/Compiler.cpp')

diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp
index ae6574c..3cc55c7 100644
--- a/clang/lib/AST/ByteCode/Compiler.cpp
+++ b/clang/lib/AST/ByteCode/Compiler.cpp
@@ -2932,10 +2932,9 @@ bool Compiler<Emitter>::VisitLambdaExpr(const LambdaExpr *E) {
   // record with their initializers.
   for (const Record::Field &F : R->fields()) {
     const Expr *Init = *CaptureInitIt;
-    ++CaptureInitIt;
-
-    if (!Init)
+    if (!Init || Init->containsErrors())
       continue;
+    ++CaptureInitIt;
 
     if (std::optional<PrimType> T = classify(Init)) {
       if (!this->visit(Init))
-- 
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