[Bug ada/23492] New: [4.1 Regression] ACATS c48009e SEGV in set_bb_for_stmt tree-cfg.c:2673 on x86_64

["laurent at guerby dot net" <gcc-bugzilla at gcc dot gnu dot org>]

Started failing on x86_64-linux only (x86 is o) between

LAST_UPDATED: Tue Aug 16 18:50:47 UTC 2005
LAST_UPDATED: Fri Aug 19 19:26:06 UTC 2005

(gdb) r -O2 
-I/home/guerby/work/gcc/build/build-20050819T214115/gcc/testsuite/ada/acats/support
c48009e.adb
Starting program: /home/guerby/work/gcc/build/build-20050819T214115/gcc/gnat1
-O2 
-I/home/guerby/work/gcc/build/build-20050819T214115/gcc/testsuite/ada/acats/support
c48009e.adb
 C48009E C48009E.ALLOC1 C48009E.ALLOC2c48009e.adb:150:40: warning: too few
elements for type "SA1_3" defined at line 65
c48009e.adb:150:40: warning: "Constraint_Error" will be raised at run time
c48009e.adb:160:40: warning: upper bound of aggregate out of range
c48009e.adb:160:40: warning: Constraint_Error will be raised at run-time
c48009e.adb:180:40: warning: too few elements for subtype of "UA" defined at line 76
c48009e.adb:180:40: warning: "Constraint_Error" will be raised at run time
c48009e.adb:190:40: warning: too many elements for subtype of "UA" defined at
line 76
c48009e.adb:190:40: warning: "Constraint_Error" will be raised at run time

Analyzing compilation unitPerforming intraprocedural optimizations
Assembling functions:
 C48009E.ALLOC1 C48009E
Program received signal SIGSEGV, Segmentation fault.
set_bb_for_stmt (t=0x0, bb=0x2a95db3800) at
/home/guerby/work/gcc/version-head/gcc/tree-cfg.c:2673
2673      if (TREE_CODE (t) == PHI_NODE)
(gdb) bt
#0  set_bb_for_stmt (t=0x0, bb=0x2a95db3800) at
/home/guerby/work/gcc/version-head/gcc/tree-cfg.c:2673
#1  0x0000000000980fdd in bsi_insert_after (i=0x7fbffff510, t=0x0,
m=BSI_NEW_STMT) at /home/guerby/work/gcc/version-head/gcc/tree-cfg.c:2761
#2  0x000000000095f304 in setup_one_parameter (id=0x7fbffff5e0, p=0x2a95a74980,
value=0x2a95a74980, fn=0x2a95de49a0, bb=0x2a95db3800, vars=0x7fbffff680)
    at /home/guerby/work/gcc/version-head/gcc/tree-inline.c:1142
#3  0x0000000000961b2b in optimize_inline_calls (fn=0x2a95a45300) at
/home/guerby/work/gcc/version-head/gcc/tree-inline.c:1177
#4  0x000000000064a268 in tree_rest_of_compilation (fndecl=0x2a95a45300) at
/home/guerby/work/gcc/version-head/gcc/tree-optimize.c:393
#5  0x000000000041b845 in gnat_expand_body (gnu_decl=0x2a95a45300) at
/home/guerby/work/gcc/version-head/gcc/ada/misc.c:636
#6  0x0000000000964946 in cgraph_expand_function (node=0x2a95a5ff20) at
/home/guerby/work/gcc/version-head/gcc/cgraphunit.c:1037
#7  0x0000000000966a6b in cgraph_optimize () at
/home/guerby/work/gcc/version-head/gcc/cgraphunit.c:1103

-- 
           Summary: [4.1 Regression] ACATS c48009e SEGV in set_bb_for_stmt
                    tree-cfg.c:2673 on x86_64
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: laurent at guerby dot net
                CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: x86_64-linux-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23492