[clang] [Sema] Fix ICE due to incorrect _Bool handling in format string checking (PR #174684)

Corentin Jabot via cfe-commits cfe-commits at lists.llvm.org
Fri Jan 9 02:05:59 PST 2026


================
@@ -371,6 +371,9 @@ static clang::analyze_format_string::ArgType::MatchKind
 matchesSizeTPtrdiffT(ASTContext &C, QualType T, QualType E) {
   using MatchKind = clang::analyze_format_string::ArgType::MatchKind;
 
+  if (T->isBooleanType())
+    return MatchKind::NoMatch;
+
   if (!T->isIntegerType())
----------------
cor3ntin wrote:

```suggestion
  if (!T->isIntegerType() || T->isBooleanType())
```

https://github.com/llvm/llvm-project/pull/174684


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