/usr/libexec/gcc/i686-pc-cygwin/4.6.0/cc1.exe -fpreprocessed h264_cabac.i -march=core2 -mcx16 -msahf -msse4.1 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=2048 -mtune=core2 -quiet -dumpbase h264_cabac.i -march=core2 -mfpmath=sse -auxbase h264_cabac -g -O4 -std=gnu99 -version -ffast-math -fomit-frame-pointer -fno-common -o tmp.s
(gdb) set args -fpreprocessed h264_cabac.i -march=core2 -mcx16 -msahf -msse4.1 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=20 48 -mtune=core2 -quiet -dumpbase h264_cabac.i -march=core2 -mfpmath=sse -auxbas e h264_cabac -g -O4 -std=gnu99 -version -ffast-math -fomit-frame-pointer -fno-c ommon -o tmp.s -v (gdb) r Starting program: /usr/libexec/gcc/i686-pc-cygwin/4.6.0/cc1.exe -fpreprocessed h 264_cabac.i -march=core2 -mcx16 -msahf -msse4.1 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=2048 -mtune=core2 -quiet -dumpbase h264_cabac.i -march=core2 -mfpmath=sse -auxbase h264_cabac -g -O4 -std=gnu99 -ve rsion -ffast-math -fomit-frame-pointer -fno-common -o tmp.s -v [New Thread 6004.0xc50] warning: the debug information found in "/cygdrive/d/cygwin/bin/cygwin1.dbg" doe s not match "/cygdrive/d/cygwin/bin/cygwin1.dll" (CRC mismatch). [New Thread 6004.0x112c] GNU C (GCC) version 4.6.0 20100918 (experimental) (i686-pc-cygwin) compiled by GNU C version 4.6.0 20100918 (experimental), GMP version 5.0 .0, MPFR version 2.4.2, MPC version 0.8.1 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 [New Thread 6004.0x4ec] ignoring duplicate directory "/usr/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/i686-pc-cygwin/4.6.0/include /usr/local/include /usr/lib/gcc/i686-pc-cygwin/4.6.0/include-fixed /usr/lib/gcc/i686-pc-cygwin/4.6.0/../../../../i686-pc-cygwin/include End of search list. GNU C (GCC) version 4.6.0 20100918 (experimental) (i686-pc-cygwin) compiled by GNU C version 4.6.0 20100918 (experimental), GMP version 5.0 .0, MPFR version 2.4.2, MPC version 0.8.1 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 37b591552c4af58bc2f535240f94baa1 Program received signal SIGSEGV, Segmentation fault. 0x00a241fa in get_base_constructor (base=0x7fa6e1c0, offset=<value optimized out>) at ../.././gcc/tree-ssa-ccp.c:1347 1347 && !varpool_get_node (base)->const_value_known)) (gdb) bt #0 0x00a241fa in get_base_constructor (base=0x7fa6e1c0, offset=<value optimized out>) at ../.././gcc/tree-ssa-ccp.c:1347 #1 0x00a2029b in fold_const_aggregate_ref (t=0x7f9451b8) at ../.././gcc/tree-ssa-ccp.c:1396 #2 0x00a24248 in get_base_constructor (base=0x7f9451b8, offset=<value optimized out>) at ../.././gcc/tree-ssa-ccp.c:1361 #3 0x00a2029b in fold_const_aggregate_ref (t=0x7f945190) at ../.././gcc/tree-ssa-ccp.c:1396 #4 0x008d0448 in maybe_fold_reference (expr=0x7f945190, is_lhs=0x0) at ../.././gcc/gimple-fold.c:480 #5 0x008d4125 in fold_stmt_1 (gsi=0x4a5c820, inplace=0x0) at ../.././gcc/gimple-fold.c:1559 #6 0x009b9882 in optimize_stmt (bb=0x7fa781f0, si=...) at ../.././gcc/tree-ssa-dom.c:2120 #7 0x009bac00 in dom_opt_enter_block (walk_data=0x4a5c930, bb=0x7fa781f0) at ../.././gcc/tree-ssa-dom.c:1671 #8 0x00b26025 in walk_dominator_tree (walk_data=0x4a5c930, bb=0x7fa781f0) at ../.././gcc/domwalk.c:188 #9 0x009b928b in tree_ssa_dominator_optimize () at ../.././gcc/tree-ssa-dom.c:698 #10 0x0065182d in execute_one_pass (pass=0xc4c0e0) at ../.././gcc/passes.c:1573 #11 execute_one_pass (pass=0xc4c0e0) at ../.././gcc/passes.c:1516 #12 0x00651ac5 in execute_pass_list (pass=0xc4c0e0) ---Type <return> to continue, or q <return> to quit--- at ../.././gcc/passes.c:1628 #13 0x00651ad8 in execute_pass_list (pass=0xc4b520) at ../.././gcc/passes.c:1629 #14 0x0078d30b in tree_rest_of_compilation (fndecl=0x7fc05600) at ../.././gcc/tree-optimize.c:452 #15 0x0065404c in cgraph_expand_function (node=0x7fa5f618) at ../.././gcc/cgraphunit.c:1469 #16 0x00656e15 in cgraph_expand_all_functions () at ../.././gcc/cgraphunit.c:1548 #17 cgraph_optimize () at ../.././gcc/cgraphunit.c:1804 #18 0x006573fa in cgraph_finalize_compilation_unit () at ../.././gcc/cgraphunit.c:1012 #19 0x0041c0a8 in c_write_global_declarations () at ../.././gcc/c-decl.c:9732 #20 0x006606d2 in compile_file (argc=0x1f, argv=0x4e9a208) at ../.././gcc/toplev.c:967 #21 do_compile (argc=0x1f, argv=0x4e9a208) at ../.././gcc/toplev.c:2394 #22 toplev_main (argc=0x1f, argv=0x4e9a208) at ../.././gcc/toplev.c:2435 #23 0x004a62a0 in main (argc=0x1f, argv=0x4e9a208) at ../.././gcc/main.c:36 (gdb) (gdb) -- Summary: [4.6 regression] ICE: segmentation fault at gcc/tree- ssa-ccp.c:1347 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jojelino at gmail dot com GCC build triplet: i686-pc-cygwin GCC host triplet: i686-pc-cygwin GCC target triplet: i686-pc-cygwin http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45716