[gcc r15-8217] gccrs: Add WARN_UNUSED_RESULT parse error

[Arthur Cohen via Gcc-cvs]

https://gcc.gnu.org/g:719870217a8e3bec2b9f3f0622aaf9ee3a743015

commit r15-8217-g719870217a8e3bec2b9f3f0622aaf9ee3a743015
Author: jjasmine <tanghocle...@gmail.com>
Date:   Tue Jun 25 20:33:22 2024 -0700

    gccrs: Add WARN_UNUSED_RESULT parse error
    
    gcc/rust/ChangeLog:
    
            * expand/rust-macro-builtins-asm.h (enum InlineAsmParseError):
            Add WARN_UNUSED_RESULT parse error
            (enum WARN_UNUSED_RESULT): Likewise.
    
    Signed-off-by: badumbatish <tanghocle...@gmail.com>

Diff:
---
 gcc/rust/expand/rust-macro-builtins-asm.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/rust/expand/rust-macro-builtins-asm.h 
b/gcc/rust/expand/rust-macro-builtins-asm.h
index 32a8d0ba0302..d3ca93401569 100644
--- a/gcc/rust/expand/rust-macro-builtins-asm.h
+++ b/gcc/rust/expand/rust-macro-builtins-asm.h
@@ -5,9 +5,10 @@
 #include "expected.h"
 #include "rust-macro-invoc-lexer.h"
 #include "rust/ast/rust-expr.h"
+#include "system.h"
 namespace Rust {
 
-enum InlineAsmParseError
+enum WARN_UNUSED_RESULT InlineAsmParseError
 {
   // Enum for InlineAsmParseError