http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47918
Mikael Pettersson <mikpe at it dot uu.se> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|m68k-linux |m68k-linux,
| |i686-pc-linux-gnu
Known to work| |4.5.3
Summary|[4.6/4.7 Regression] |[4.6/4.7 Regression]
|noreturn discovery broke |noreturn discovery broke
|non local gotos on m68k |non local gotos on m68k and
| |i386
Known to fail| |4.6.1
--- Comment #7 from Mikael Pettersson <mikpe at it dot uu.se> 2011-07-08
10:56:32 UTC ---
I don't even have to tweak the i386 backend to trigger the error on i386, just
make the nested function y() regparm(0)
--- non-local-goto-4.c.~1~ 2011-07-07 20:04:29.000000000 +0200
+++ non-local-goto-4.c 2011-07-08 12:49:36.000000000 +0200
@@ -15,7 +15,7 @@ int
x(a)
{
__label__ xlab;
- void y(a)
+ void __attribute__((regparm(0))) y(a)
{
if (a==0)
goto xlab;
and compile with options to force the use of PUSH for parameter passing:
> gcc -O3 -fomit-frame-pointer -fno-asynchronous-unwind-tables -mpush-args
> -mno-accumulate-outgoing-args non-local-goto-4.c
> ./a.out
Abort
