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From: "rmansfield at qnx dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/59993] New: ICE: SSA corruption Date: Thu, 30 Jan 2014 11:26:00 -0000 [thread overview] Message-ID: <bug-59993-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59993 Bug ID: 59993 Summary: ICE: SSA corruption Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: rmansfield at qnx dot com Target: arm-unknown-linux-gnueabi $ cat ~/ice.i typedef struct _jmp_buf { } jmp_buf[1]; extern int optind; jmp_buf jump_buf; int main (int argc, char **argv) { int cnt; foo (jump_buf, _setjmp(jump_buf)); argv += optind; bar(argv[cnt]); } $ ./xgcc -v Using built-in specs. COLLECT_GCC=./xgcc Target: arm-unknown-linux-gnueabi Configured with: ../configure --target=arm-unknown-linux-gnueabi --prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi --with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root --disable-multilib --with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99 --enable-long-long --enable-target-optspace target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-shared --disable-libmudflap --disable-libssp --enable-checking Thread model: posix gcc version 4.9.0 20140130 (experimental) [trunk revision 207298] (GCC) $ ./xgcc -B. -O1 ~/ice.i Unable to coalesce ssa_names 2 and 13 which are marked as MUST COALESCE. argv_2(ab) and argv_13(ab) /home/ryan/ice.i: In function 'main': /home/ryan/ice.i:8:1: internal compiler error: SSA corruption main (int argc, char **argv) ^ 0xa3d6c7 fail_abnormal_edge_coalesce ../../gcc/tree-ssa-coalesce.c:910 0xa3d6c7 coalesce_partitions ../../gcc/tree-ssa-coalesce.c:1205 0xa3d6c7 coalesce_ssa_name() ../../gcc/tree-ssa-coalesce.c:1349 0x9ea359 remove_ssa_form ../../gcc/tree-outof-ssa.c:987 0x9ea359 rewrite_out_of_ssa(ssaexpand*) ../../gcc/tree-outof-ssa.c:1220 0x61e174 gimple_expand_cfg ../../gcc/cfgexpand.c:5532 0x61e174 execute ../../gcc/cfgexpand.c:5935 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.
next reply other threads:[~2014-01-30 11:26 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-01-30 11:26 rmansfield at qnx dot com [this message] 2014-01-30 11:56 ` [Bug middle-end/59993] [4.9 Regression] " rguenth at gcc dot gnu.org 2014-01-30 12:28 ` jakub at gcc dot gnu.org 2014-01-30 12:39 ` rmansfield at qnx dot com 2014-01-30 14:20 ` rguenth at gcc dot gnu.org 2014-01-30 14:24 ` ramana at gcc dot gnu.org 2014-01-30 14:29 ` ramana at gcc dot gnu.org 2014-01-30 14:36 ` rguenth at gcc dot gnu.org 2014-01-30 14:47 ` rmansfield at qnx dot com 2014-01-30 18:28 ` rguenth at gcc dot gnu.org 2014-01-31 10:07 ` rguenth at gcc dot gnu.org
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