[Bug tree-optimization/51576] New: [4.7 Regression] Bootstrap failure with go

[Bug tree-optimization/51576] New: [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

             Bug #: 51576
           Summary: [4.7 Regression] Bootstrap failure with go
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: jakub@gcc.gnu.org
        ReportedBy: jakub@gcc.gnu.org


sha1.go (and other cryptos) fail to bootstrap at least on i686-linux, with:
../../../libgo/go/crypto/sha1/sha1.go: In function
‘sha1.Sum.pN24_libgo_crypto.sha1.digest’:
../../../libgo/go/crypto/sha1/sha1.go:82:1: error: statement marked for throw,
but doesn’t
# .MEM_130 = VDEF <.MEM_80>
*tmp_8[0] = iftmp.106_128;

[Bug tree-optimization/51576] [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011-12-16
   Target Milestone|---                         |4.7.0
     Ever Confirmed|0                           |1

[Bug tree-optimization/51576] [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-16 11:15:12 UTC ---
Created attachment 26106
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26106
gcc47-pr51576.patch

Fix I'm going to bootstrap/regtest momentarily.

[Bug tree-optimization/51576] [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-16 15:20:38 UTC ---
Author: jakub
Date: Fri Dec 16 15:20:35 2011
New Revision: 182403

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182403
Log:
    PR tree-optimization/51576
    * tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
    even if fold_stmt didn't change anything.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-cfg.c

[Bug tree-optimization/51576] [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-16 15:50:37 UTC ---
Fixed.

[Bug tree-optimization/51576] [4.7 Regression] Bootstrap failure with go

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zsojka at seznam dot cz

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-16 16:39:46 UTC ---
*** Bug 51575 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/51576] [4.7 Regression] Bootstrap failure with go

[ian at airs dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51576

Ian Lance Taylor <ian at airs dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ian at airs dot com

--- Comment #5 from Ian Lance Taylor <ian at airs dot com> 2011-12-16 23:12:14 UTC ---
*** Bug 51592 has been marked as a duplicate of this bug. ***