http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49721
--- Comment #6 from Uros Bizjak <ubizjak at gmail dot com> 2011-08-02 15:39:55 UTC --- (In reply to comment #5) > Another testcase: Program received signal SIGSEGV, Segmentation fault. try_combine (i3=<optimized out>, i2=<optimized out>, i1=0x0, i0=<optimized out>, new_direct_jump_p=0x7fffffffdf54, last_combined_insn=0x7ffff1a12c60) at ../../gcc-svn/trunk/gcc/combine.c:4154 4154 if (link->insn == i2) #0 try_combine (i3=<optimized out>, i2=<optimized out>, i1=0x0, i0=<optimized out>, new_direct_jump_p=0x7fffffffdf54, last_combined_insn=0x7ffff1a12c60) at ../../gcc-svn/trunk/gcc/combine.c:4154 #1 0x0000000000d3192d in combine_instructions (nregs=<optimized out>, f=0x7ffff1a01048) at ../../gcc-svn/trunk/gcc/combine.c:1223 #2 rest_of_handle_combine () at ../../gcc-svn/trunk/gcc/combine.c:13880 #3 0x0000000000871d88 in execute_one_pass (pass=0x13d2620) at ../../gcc-svn/trunk/gcc/passes.c:2063 #4 0x00000000008720f5 in execute_pass_list (pass=0x13d2620) at ../../gcc-svn/trunk/gcc/passes.c:2118 #5 0x0000000000872107 in execute_pass_list (pass=0x13cdc80) at ../../gcc-svn/trunk/gcc/passes.c:2119 #6 0x00000000009752ce in tree_rest_of_compilation (fndecl=0x7ffff1b8cb00) at ../../gcc-svn/trunk/gcc/tree-optimize.c:416 #7 0x000000000065c8c6 in cgraph_expand_function (node=0x7ffff1991900) at ../../gcc-svn/trunk/gcc/cgraphunit.c:1803 #8 0x000000000065e64c in cgraph_expand_all_functions () at ../../gcc-svn/trunk/gcc/cgraphunit.c:1862