[Bug tree-optimization/49135] New: ICE in gcc.c-torture/execute/920302-1.c on arm

["janis at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49135

           Summary: ICE in gcc.c-torture/execute/920302-1.c on arm
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: janis@gcc.gnu.org


Test gcc.c-torture/execute/920302-1.c gets an internal compiler error on
arm-none-linux-gnueabi, which began with this patch:

r172954 | rguenth | 2011-04-26 09:21:44 +0000 (Tue, 26 Apr 2011) | 12 lines

2011-04-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/48694
        * tree.h (OEP_CONSTANT_ADDRESS_OF): New operand_equal_flag.
        * fold-const.c (operand_equal_p): For TREE_CONSTANT ADDR_EXPRs
        compare the operands with OEP_CONSTANT_ADDRESS_OF.  Treat
        trees with TREE_SIDE_EFFECTS equal when OEP_CONSTANT_ADDRESS_OF
        is set.

        * gcc.dg/torture/pr48694-1.c: New testcase.
        * gcc.dg/torture/pr48694-2.c: Likewise

Here's the compiler output:

/scratch/janisjo/arm-linux-fsf/src/gcc-mainline/gcc/testsuite/gcc.c-torture/execute/920302-1.c:
In function 'execute':
/scratch/janisjo/arm-linux-fsf/src/gcc-mainline/gcc/testsuite/gcc.c-torture/execute/920302-1.c:27:1:
internal compiler error: in push_minipool_fix, at config/arm/arm.c:12107
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