http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47992
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> 2011-03-04 20:02:03 UTC --- Seems I forgot to paste the compiler output: $ gcc -O -fno-dce -fgcse -fno-tree-ccp -fno-tree-dominator-opts -funroll-all-loops -wrapper valgrind,-q,--num-callers=40 testcase.f testcase.f:2.72: ASSIGN 20 TO M !{ dg-warning "Deleted feature: ASSIGN" " 1 Warning: Deleted feature: ASSIGN statement at (1) testcase.f:6.72: 30 ASSIGN 10 TO M !{ dg-warning "Deleted feature: ASSIGN" " 1 Warning: Deleted feature: ASSIGN statement at (1) testcase.f:7.12: 40 GOTO M,(10,20,30) !{ dg-warning "Deleted feature: Assigned 1 Warning: Deleted feature: Assigned GOTO statement at (1) ==1357== Invalid read of size 4 ==1357== at 0x8027D1: ira_reuse_stack_slot (ira-color.c:2887) ==1357== by 0x8B54A6: alter_reg (reload1.c:2180) ==1357== by 0x8C00E1: reload (reload1.c:795) ==1357== by 0x7EDF78: ira (ira.c:3273) ==1357== by 0x7EFD8F: rest_of_handle_ira (ira.c:3343) ==1357== by 0x857895: execute_one_pass (passes.c:1556) ==1357== by 0x857B94: execute_pass_list (passes.c:1611) ==1357== by 0x857BA6: execute_pass_list (passes.c:1612) ==1357== by 0x99AAF5: tree_rest_of_compilation (tree-optimize.c:422) ==1357== by 0xB62B41: cgraph_expand_function (cgraphunit.c:1576) ==1357== by 0xB65289: cgraph_optimize (cgraphunit.c:1635) ==1357== by 0xB65809: cgraph_finalize_compilation_unit (cgraphunit.c:1096) ==1357== by 0x810D3C: write_global_declarations (langhooks.c:303) ==1357== by 0x943A87: toplev_main (toplev.c:591) ==1357== by 0x64AABBC: (below main) (in /lib64/libc-2.11.2.so) ==1357== Address 0xc is not stack'd, malloc'd or (recently) free'd ==1357== testcase.f: In function 'MAIN__': testcase.f:8:0: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.