[PATCH] D135090: [Clang] fix -Wvoid-ptr-dereference for gnu89
Nick Desaulniers via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Oct 4 13:01:20 PDT 2022
This revision was automatically updated to reflect the committed changes.
Closed by commit rG2dbfd06f2a8b: [Clang] fix -Wvoid-ptr-dereference for gnu89 (authored by nickdesaulniers).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D135090/new/
https://reviews.llvm.org/D135090
Files:
clang/lib/Sema/SemaExpr.cpp
clang/test/Sema/no-warn-void-ptr-uneval.c
Index: clang/test/Sema/no-warn-void-ptr-uneval.c
===================================================================
--- clang/test/Sema/no-warn-void-ptr-uneval.c
+++ clang/test/Sema/no-warn-void-ptr-uneval.c
@@ -1,4 +1,5 @@
// RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify %s
+// RUN: %clang_cc1 -fsyntax-only -Wno-unused-value -verify -std=gnu89 %s
// expected-no-diagnostics
void foo(void *vp) {
Index: clang/lib/Sema/SemaExpr.cpp
===================================================================
--- clang/lib/Sema/SemaExpr.cpp
+++ clang/lib/Sema/SemaExpr.cpp
@@ -14536,7 +14536,7 @@
// [...] the expression to which [the unary * operator] is applied shall
// be a pointer to an object type, or a pointer to a function type
LangOptions LO = S.getLangOpts();
- if (LO.CPlusPlus || !(LO.C99 && (IsAfterAmp || S.isUnevaluatedContext())))
+ if (LO.CPlusPlus || (!(LO.C99 && IsAfterAmp) && !S.isUnevaluatedContext()))
S.Diag(OpLoc, diag::ext_typecheck_indirection_through_void_pointer)
<< LO.CPlusPlus << OpTy << Op->getSourceRange();
}
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