https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117295
Bug ID: 117295
Summary: ICE: in edge_before_returns_twice_call, at
gimple-iterator.cc:957 with returns_twice and -O1
-fsanitize=address -finstrument-functions
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: iamanonymous.cs at gmail dot com
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
Maybe similar to bug 114687.
There is something broken with -fsanitize=address -finstrument-functions and
returns_twice.
Program:
$ cat mutant.c
long b;
void abort();
void __attribute__((returns_twice)) a() { abort(); }
void d();
void c() {
switch (b) {
case 6:
a();
case 0:
d();
}
}
Command Lines:
$ gcc -O1 -fsanitize=address -finstrument-functions mutant.c
during GIMPLE pass: asan
mutant.c: In function 'c':
mutant.c:5:6: internal compiler error: in edge_before_returns_twice_call, at
gimple-iterator.cc:957
5 | void c() {
| ^
0x5071bcf diagnostic_context::report_diagnostic(diagnostic_info*)
???:0
0x50724a1 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, int, char const*, __va_list_tag (*) [1],
diagnostic_t)
???:0
0x50924c7 internal_error(char const*, ...)
???:0
0x50729e4 fancy_abort(char const*, int, char const*)
???:0
0x160e0b1 gsi_safe_insert_before(gimple_stmt_iterator*, gimple*)
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Godbolt link: https://godbolt.org/z/Tx67TxvPd
