https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63432
--- Comment #23 from H.J. Lu <hjl.tools at gmail dot com> --- With r216039, I still got ../../src-trunk/gcc/cp/parser.c: In function ‘cp_parser_declaration_seq_opt’: ../../src-trunk/gcc/cp/parser.c:11049:0: error: verify_flow_info: Wrong probability of edge 53->54 -1192228368 cp_parser_declaration_seq_opt (cp_parser* parser) ^ ../../src-trunk/gcc/cp/parser.c:11049:0: internal compiler error: verify_flow_info failed 0x6b2e3a verify_flow_info() ../../src-trunk/gcc/cfghooks.c:260 0xddcd27 cleanup_tree_cfg_noloop ../../src-trunk/gcc/tree-cfgcleanup.c:765 0xddcd27 cleanup_tree_cfg() ../../src-trunk/gcc/tree-cfgcleanup.c:814 0xbf5804 execute_function_todo ../../src-trunk/gcc/passes.c:1704 0xc02287 do_per_function ../../src-trunk/gcc/passes.c:1478 0xc02287 execute_todo ../../src-trunk/gcc/passes.c:1808 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. make[7]: *** [/tmp/cchv0APR.ltrans3.ltrans.o] Error 1 make[7]: *** Waiting for unfinished jobs.... lto-wrapper: fatal error: make returned 2 exit status compilation terminated. /usr/local/bin/ld: lto-wrapper failed collect2: error: ld returned 1 exit status make[6]: *** [cc1plus] Error 1