diff options
Diffstat (limited to 'gcc/config/alpha')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 35d66b6..1cfca58 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -5950,6 +5950,10 @@ alpha_build_builtin_va_list (void) integer_type_node); DECL_FIELD_CONTEXT (ofs) = record; DECL_CHAIN (ofs) = space; + /* ??? This is a hack, __offset is marked volatile to prevent + DCE that confuses stdarg optimization and results in + gcc.c-torture/execute/stdarg-1.c failure. See PR 41089. */ + TREE_THIS_VOLATILE (ofs) = 1; base = build_decl (BUILTINS_LOCATION, FIELD_DECL, get_identifier ("__base"), |