From 4894b1e6f2e44afda930322eb4ee487d53242dbc Mon Sep 17 00:00:00 2001 From: Pierre-Emmanuel Patry Date: Wed, 9 Apr 2025 17:41:24 +0200 Subject: [PATCH] gccrs: Emit error with old asm syntax in new asm blocks gcc/rust/ChangeLog: * expand/rust-macro-builtins-asm.cc (parse_asm_arg): Emit error message. Signed-off-by: Pierre-Emmanuel Patry --- gcc/rust/expand/rust-macro-builtins-asm.cc | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/gcc/rust/expand/rust-macro-builtins-asm.cc b/gcc/rust/expand/rust-macro-builtins-asm.cc index 4d026044776..97f7e3cff77 100644 --- a/gcc/rust/expand/rust-macro-builtins-asm.cc +++ b/gcc/rust/expand/rust-macro-builtins-asm.cc @@ -671,6 +671,14 @@ parse_asm_arg (InlineAsmContext inline_asm_ctx) { token = parser.peek_current_token (); + if (token->get_id () == COLON || token->get_id () == SCOPE_RESOLUTION) + { + rust_error_at ( + token->get_locus (), + "the legacy LLVM-style % syntax is no longer supported"); + return tl::unexpected (COMMITTED); + } + // We accept a comma token here. if (token->get_id () != COMMA && inline_asm_ctx.consumed_comma_without_formatted_string) -- 2.47.2