http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48611
Summary: [4.6/4.7 Regression] ICE: SIGSEGV in remap_eh_region_nr (tree-inline.c:1194) with -Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop on basic code Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 23986 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23986 auto-reduced testcase $ gcc -Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop testcase-min1.f90 ==12201== Invalid read of size 4 ==12201== at 0xBD4B3F: remap_eh_region_nr.isra.81 (tree-inline.c:1194) ==12201== by 0xBD8A59: remap_gimple_stmt (tree-inline.c:1444) ==12201== by 0xBD97EF: copy_cfg_body (tree-inline.c:1540) ==12201== by 0xBDB6B6: copy_body (tree-inline.c:2410) ==12201== by 0xBDE493: optimize_inline_calls (tree-inline.c:3928) ==12201== by 0xBB67A2: cgraph_early_inlining (ipa-inline.c:1642) ==12201== by 0x87F305: execute_one_pass (passes.c:1555) ==12201== by 0x87F5F4: execute_pass_list (passes.c:1610) ==12201== by 0x87E80B: do_per_function_toporder (passes.c:1141) ==12201== by 0x87FA95: execute_ipa_pass_list (passes.c:1927) ==12201== by 0xBAC6DC: cgraph_optimize (cgraphunit.c:1789) ==12201== by 0xBAC949: cgraph_finalize_compilation_unit (cgraphunit.c:1102) ==12201== by 0x836BFC: write_global_declarations (langhooks.c:303) ==12201== by 0x96CC99: toplev_main (toplev.c:591) ==12201== by 0x644AB6C: (below main) (in /lib64/libc-2.11.3.so) ==12201== Address 0x18 is not stack'd, malloc'd or (recently) free'd ==12201== testcase-min1.f90: In function 'main': testcase-min1.f90:8:0: 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.