[clang] [Clang] disallow # operators in attribute argument lists (PR #147308)
Corentin Jabot via cfe-commits
cfe-commits at lists.llvm.org
Mon Jul 7 08:11:55 PDT 2025
================
@@ -477,3 +477,8 @@ namespace P2361 {
}
alignas(int) struct AlignAsAttribute {}; // expected-error {{misplaced attributes; expected attributes here}}
+
+namespace GH147217 {
+ [[clang::annotate(#)]] void a(); // expected-error {{'#' is not allowed in attribute argument lists}}
+ [[clang::annotate(##)]] void b(); // expected-error {{'##' is not allowed in attribute argument lists}}
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cor3ntin wrote:
We are also supposed to reject `#` in an unknown attribute, can you add tests for that?
https://github.com/llvm/llvm-project/pull/147308
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