https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71071
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Created attachment 38476 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38476&action=edit libgcov-driver.i $ ./cc1 -quiet libgcov-driver.i /home/marek/src/gcc/libgcc/libgcov-driver.c: In function ‘__gcov_dump_one’: /home/marek/src/gcc/libgcc/libgcov-driver.c:855:3: internal compiler error: fold check: original tree changed by fold if (root->dumped) ^~ 0x9c37dc fold_check_failed /home/marek/src/gcc/gcc/fold-const.c:12099 0x9c4aff fold_build2_stat_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) /home/marek/src/gcc/gcc/fold-const.c:12359 0x123df44 generic_simplify_186 /home/marek/x/trunk/gcc/generic-match.c:6903 0x128a166 generic_simplify_NE_EXPR /home/marek/x/trunk/gcc/generic-match.c:27430 0x1290e7d generic_simplify(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) /home/marek/x/trunk/gcc/generic-match.c:29656 0x9b422e fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) /home/marek/src/gcc/gcc/fold-const.c:9265 0x9c4a3f fold_build2_stat_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) /home/marek/src/gcc/gcc/fold-const.c:12348 0x745d3d c_fully_fold_internal /home/marek/src/gcc/gcc/c/c-fold.c:305 0x7470bb c_fully_fold(tree_node*, bool, bool*) /home/marek/src/gcc/gcc/c/c-fold.c:90 0x7179ca c_parser_condition /home/marek/src/gcc/gcc/c/c-parser.c:5314 0x717a47 c_parser_paren_condition /home/marek/src/gcc/gcc/c/c-parser.c:5331 0x730b13 c_parser_if_statement /home/marek/src/gcc/gcc/c/c-parser.c:5493 0x730b13 c_parser_statement_after_labels /home/marek/src/gcc/gcc/c/c-parser.c:5138 0x732615 c_parser_compound_statement_nostart /home/marek/src/gcc/gcc/c/c-parser.c:4858 0x732a5e c_parser_compound_statement /home/marek/src/gcc/gcc/c/c-parser.c:4693 0x72e6a9 c_parser_declaration_or_fndef /home/marek/src/gcc/gcc/c/c-parser.c:2105 0x73a4bd c_parser_external_declaration /home/marek/src/gcc/gcc/c/c-parser.c:1549 0x73ad99 c_parser_translation_unit /home/marek/src/gcc/gcc/c/c-parser.c:1430 0x73ad99 c_parse_file() /home/marek/src/gcc/gcc/c/c-parser.c:17915 0x79d702 c_common_parse_file() /home/marek/src/gcc/gcc/c-family/c-opts.c:1064 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.
