https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101195
Bug ID: 101195
Summary: ICE: in tree_to_uhwi, at tree.c:6324
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: cnsun at uwaterloo dot ca
Target Milestone: ---
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210624 (experimental) [master revision
:e518ee6cd:fcf617f0d2a5a1b624718e07d7b219cb0234436f] (GCC)
$ cat mutant.c
test_eh_return_data_regno() {
volatile res = __builtin_eh_return_data_regno(-42.);
}
$ gcc-trunk mutant.c
mutant.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
1 | test_eh_return_data_regno() {
| ^~~~~~~~~~~~~~~~~~~~~~~~~
mutant.c: In function ‘test_eh_return_data_regno’:
mutant.c:2:12: warning: type defaults to ‘int’ in declaration of ‘res’
[-Wimplicit-int]
2 | volatile res = __builtin_eh_return_data_regno(-42.);
| ^~~
during RTL pass: expand
mutant.c:2:18: internal compiler error: in tree_to_uhwi, at tree.c:6324
2 | volatile res = __builtin_eh_return_data_regno(-42.);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x7c7c7e tree_to_uhwi(tree_node const*)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/tree.c:6324
0x7c7c7e tree_to_uhwi(tree_node const*)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/tree.c:6322
0xb50537 expand_builtin_eh_return_data_regno(tree_node*)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/except.c:2170
0xa222f6 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/builtins.c:10409
0xb7366c expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/expr.c:11439
0xb7e018 store_expr(tree_node*, rtx_def*, int, bool, bool)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/expr.c:5994
0xb7f65f expand_assignment(tree_node*, tree_node*, bool)
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/expr.c:5729
0xa4cb8b expand_call_stmt
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/cfgexpand.c:2844
0xa4cb8b expand_gimple_stmt_1
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/cfgexpand.c:3877
0xa4cb8b expand_gimple_stmt
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/cfgexpand.c:4041
0xa528c9 expand_gimple_basic_block
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/cfgexpand.c:6083
0xa5479f execute
/tmp/tmp.gHvB6MNy5h-gcc-builder/gcc/gcc/cfgexpand.c:6809
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
