Endre =?utf-8?q?Fülöp?= <endre.fu...@sigmatechnology.com> Message-ID: In-Reply-To: <llvm.org/llvm/llvm-project/pull/150...@github.com>
================ @@ -0,0 +1,166 @@ +// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.core.StoreToImmutable -verify %s + +// Test basic functionality of StoreToImmutable checker +// This tests direct writes to immutable regions without function modeling + +// Direct write to a const global variable +const int global_const = 42; // expected-note {{Memory region is in immutable space}} + +void test_direct_write_to_const_global() { + // This should trigger a warning about writing to immutable memory + *(int*)&global_const = 100; // expected-warning {{Writing to immutable memory is undefined behavior}} + // expected-note@-1 {{Writing to immutable memory is undefined behavior. This memory region is marked as immutable and should not be modified}} ---------------- steakhal wrote: Makes sense then, thanks! https://github.com/llvm/llvm-project/pull/150417 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits