diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index e41e456892a..3e2bbbbad5d 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -737,10 +737,18 @@ static GTY(()) HOST_WIDE_INT varargs_set = -1; HOST_WIDE_INT get_varargs_alias_set (void) { +#if 1 + /* We now lower VA_ARG_EXPR, and there's currently no way to attach the + varargs alias set to an INDIRECT_REF (FIXME!), so we can't + consistently use the varargs alias set for loads from the varargs + area. So don't use it anywhere. */ + return 0; +#else if (varargs_set == -1) varargs_set = new_alias_set (); return varargs_set; +#endif } /* Likewise, but used for the fixed portions of the frame, e.g., register |