[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[zsojka at seznam dot cz]

------- Comment #1 from zsojka at seznam dot cz  2010-07-24 19:39 -------
Created an attachment (id=21302)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21302&action=view)
reduced testcase

$ gcc -O2 -ftracer -fira-coalesce pr45061.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

[Bug rtl-optimization/45061] New: [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[zsojka at seznam dot cz]

Command line:
$ gcc -O2 -ftracer -fira-coalesce testcase.c

Compiler output:
$ gcc -O2 -ftracer -fira-coalesce testcase.c
bad allocation for 58 and 60
testcase.c: In function 'foo':
testcase.c:26:1: internal compiler error: in check_allocation, at ira.c:1677
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

The crash happens for many of the files I tested.

Tested revisions:
r162499 - crash
r162456 - crash
r162222 - OK


-- 
           Summary: [4.6 Regression] ICE: in check_allocation, at ira.c:1677
                    with -O2 -ftracer -fira-coalesce
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[hjl dot tools at gmail dot com]

------- Comment #2 from hjl dot tools at gmail dot com  2010-07-25 01:21 -------
It is caused by revision 162418:

http://gcc.gnu.org/ml/gcc-cvs/2010-07/msg00772.html


-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bernds at codesourcery dot
                   |                            |com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[bernds at gcc dot gnu dot org]

------- Comment #3 from bernds at gcc dot gnu dot org  2010-07-26 11:00 -------
Vlad intends to remove flag_ira_coalesce anyway, so there's probably not too
much point investigating this.


-- 

bernds at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vmakarov at redhat dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |jakub at gcc dot gnu.org
         Resolution|                            |WORKSFORME

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-10-11 16:55:58 UTC ---
Closing as worksforme then.

[Bug rtl-optimization/45061] [4.6 Regression] ICE: in check_allocation, at ira.c:1677 with -O2 -ftracer -fira-coalesce

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45061

--- Comment #4 from Zdenek Sojka <zsojka at seznam dot cz> 2010-10-11 16:05:28 UTC ---
-fira-coalesce was removed by r164959, so this probably can be closed

http://gcc.gnu.org/viewcvs?view=revision&revision=164959