Support attributes starting with dash (like _noreturn, or __Noreturn). Note the only consumer of lookup_attribute_by_prefix comes from IPA ICF.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests. Ready to be installed? Thanks, Martin PR c/107156 gcc/ChangeLog: * attribs.h (lookup_attribute_by_prefix): Support attributes starting with dash (like _noreturn, or __Noreturn). --- gcc/attribs.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/gcc/attribs.h b/gcc/attribs.h index b2836560fc2..706d35e63d8 100644 --- a/gcc/attribs.h +++ b/gcc/attribs.h @@ -274,8 +274,6 @@ lookup_attribute_by_prefix (const char *attr_name, tree list) } const char *p = IDENTIFIER_POINTER (name); - gcc_checking_assert (attr_len == 0 || p[0] != '_'); - if (strncmp (attr_name, p, attr_len) == 0) break; -- 2.37.3