================
@@ -7818,6 +7819,35 @@ ExprResult Sema::CheckExtVectorCast(SourceRange R,
QualType DestTy,
return prepareVectorSplat(DestTy, CastExpr);
}
+/// Check that a call to alloc_size function specifies sufficient space for the
+/// destination type.
+static void CheckSufficientAllocSize(Sema &S, QualType DestType,
+ const Expr *E) {
+ QualType SourceType = E->getType();
+ if (!DestType->isPointerType() || !SourceType->isPointerType() ||
+ DestType == SourceType)
+ return;
+
+ const auto *CE = dyn_cast<CallExpr>(E->IgnoreParenCasts());
----------------
AaronBallman wrote:
Then there's one more test I'd like to see added:
```
void *ptr = (void (*)(int))malloc(0); // Should diagnose
void *ptr = (void (*)(int))malloc(1); // Should not diagnose
```
https://github.com/llvm/llvm-project/pull/150028
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