[Bug rtl-optimization/57410] New: [4.9 Regression] ICE: in emit_spill_move, at lra-constraints.c:863 with -fpeel-loops and uninitialised variable
zsojka at seznam dot cz
gcc-bugzilla@gcc.gnu.org
Sat May 25 07:54:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57410
Bug ID: 57410
Summary: [4.9 Regression] ICE: in emit_spill_move, at
lra-constraints.c:863 with -fpeel-loops and
uninitialised variable
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 30187
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30187&action=edit
reduced testcase
Compiler output:
$ gcc -O -fpeel-loops testcase.c
testcase.c: In function 'foo':
testcase.c:9:1: internal compiler error: in emit_spill_move, at
lra-constraints.c:863
}
^
0x8f5567 emit_spill_move
/mnt/svn/gcc-trunk/gcc/lra-constraints.c:862
0x8feb0d curr_insn_transform
/mnt/svn/gcc-trunk/gcc/lra-constraints.c:3033
0x8ffc94 lra_constraints(bool)
/mnt/svn/gcc-trunk/gcc/lra-constraints.c:3785
0x8ee8a3 lra(_IO_FILE*)
/mnt/svn/gcc-trunk/gcc/lra.c:2278
0x8a1c78 do_reload
/mnt/svn/gcc-trunk/gcc/ira.c:4641
0x8a1c78 rest_of_handle_reload
/mnt/svn/gcc-trunk/gcc/ira.c:4753
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-199312-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-199312-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl
Thread model: posix
gcc version 4.9.0 20130524 (experimental) (GCC)
Tested revisions:
r199312 - fail
4.8 r198018 - OK
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