https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84834
Bug ID: 84834
Summary: [7/8 Regression] ICE: tree check: expected
integer_cst, have complex_cst in to_wide, at
tree.h:5527
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20161204 and 20161211 :
$ cat z1.c
_Complex int foo (int a)
{
return (a < 0);
}
$ gcc-7-20161204 -c z1.c
$
$ gcc-8-20180311 -c z1.c
z1.c: In function 'foo':
z1.c:3:3: internal compiler error: tree check: expected integer_cst, have
complex_cst in to_wide, at tree.h:5527
return (a < 0);
^~~~~~
0x606bdf tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/tree.c:9337
0x965404 tree_check(tree_node const*, char const*, int, char const*, tree_code)
../../gcc/tree.h:3388
0x965404 wi::to_wide(tree_node const*)
../../gcc/tree.h:5527
0x116b24d generic_simplify_COND_EXPR
.../gcc/generic-match.c:46976
0x11a6e50 generic_simplify(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*, tree_node*)
.../gcc/generic-match.c:47541
0x943cc5 fold_ternary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*, tree_node*)
../../gcc/fold-const.c:11324
0x946113 fold_build3_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*, tree_node*)
../../gcc/fold-const.c:12388
0x94ac53 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
../../gcc/fold-const.c:9381
0x9651b4 fold(tree_node*)
../../gcc/fold-const.c:11965
0x7202b4 convert_and_check(unsigned int, tree_node*, tree_node*)
../../gcc/c-family/c-common.c:1543
0x6c18e5 convert_for_assignment
../../gcc/c/c-typeck.c:6565
0x6c371d c_finish_return(unsigned int, tree_node*, tree_node*)
../../gcc/c/c-typeck.c:10166
0x70ce54 c_parser_statement_after_labels
../../gcc/c/c-parser.c:5453
0x7083ca c_parser_compound_statement_nostart
../../gcc/c/c-parser.c:5078
0x708b16 c_parser_compound_statement
../../gcc/c/c-parser.c:4912
0x70a2c0 c_parser_declaration_or_fndef
../../gcc/c/c-parser.c:2341
0x712733 c_parser_external_declaration
../../gcc/c/c-parser.c:1644
0x7131a9 c_parser_translation_unit
../../gcc/c/c-parser.c:1524
0x7131a9 c_parse_file()
../../gcc/c/c-parser.c:18411
0x76ddb5 c_common_parse_file()
../../gcc/c-family/c-opts.c:1132
