https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62079
Bug ID: 62079 Summary: [4.9/4.10 Regression] ICE: in calc_dfs_tree, at dominance.c:401 with -fnon-call-exceptions Product: gcc Version: 4.10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 33280 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33280&action=edit partially reduced testcase Compiler output: $ gcc -std=c++0x -O2 -fnon-call-exceptions testcase.C testcase.C: In function 'int main()': testcase.C:75:1: internal compiler error: in calc_dfs_tree, at dominance.c:401 } ^ 0x98b7ab calc_dfs_tree /mnt/svn/gcc-trunk/gcc/dominance.c:401 0x98c7c1 calculate_dominance_info(cdi_direction) /mnt/svn/gcc-trunk/gcc/dominance.c:662 0x9220a7 flow_loops_find(loops*) /mnt/svn/gcc-trunk/gcc/cfgloop.c:414 0xb903c7 loop_optimizer_init(unsigned int) /mnt/svn/gcc-trunk/gcc/loop-init.c:92 0x157db93 if_convert /mnt/svn/gcc-trunk/gcc/ifcvt.c:4427 0x157fe8d execute /mnt/svn/gcc-trunk/gcc/ifcvt.c:4650 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. Tested revisions: r213777 - ICE 4_9 r212703 - ICE 4_8 r212702 - OK 4_7 r211571 - OK