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[Bug middle-end/46675] [4.6 Regression] profiledbootstrap failed


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46675

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.27 07:01:34
                 CC|                            |ubizjak at gmail dot com
     Ever Confirmed|0                           |1

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2010-11-27 07:01:34 UTC ---
Continuing from [1]:

>> Any info what this verification error means?
>
> Either
>
> a.  A file (GtkComponentPeer.class) has been corrupted
>
> or
>
> b.  verify-* in gcc/java has been miscompiled by gcc.
>
> or
>
> c.  something used by verify-* in gcc/java has changed, and now
>     verify-* is broken.

Right on spot, It is verify_instructions_0 from verify-impl.c that is
miscompiled. Following patch avoids these failures and enables
profiledbootstrap to finish:

Index: gcc/java/verify-impl.c
===================================================================
--- gcc/java/verify-impl.c    (revision 167188)
+++ gcc/java/verify-impl.c    (working copy)
@@ -2211,6 +2211,7 @@ initialize_stack (void)
 }

 static void
+__attribute__((__optimize__(1)))
 verify_instructions_0 (void)
 {
   int i;

[1] http://gcc.gnu.org/ml/gcc/2010-11/msg00615.html


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