https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78692
Bug ID: 78692
Summary: [7 Regression] ICE (segfault)
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at gcc dot gnu.org
Target Milestone: ---
seen with r243108 on x86_64-linux-gnu, works with -O1
$ cat jni_channel.ii
int a;
void *b;
extern "C" {
struct c {
virtual int d();
};
struct e {
virtual int operator()(int, const void *, int) = 0;
};
class f {
int g();
int h;
e &i;
};
struct : c, e {
int operator()(int, const void *, int) { throw int(); }
} j;
int f::g() { a = i(h, b, 0); }
}
$ g++ -std=c++98 -c -O2 jni_channel.iijni_channel.ii: In member function 'int
f::g()':
jni_channel.ii:18:19: internal compiler error: Segmentation fault
int f::g() { a = i(h, b, 0); }
~^~~~~~~~~
0xb0bb0f crash_signal
../../src/gcc/toplev.c:333
0xb43df4 is_complex_reg
../../src/gcc/tree-complex.c:177
0xb43df4 init_dont_simulate_again
../../src/gcc/tree-complex.c:231
0xb43df4 tree_lower_complex
../../src/gcc/tree-complex.c:1662
0xb43df4 execute
../../src/gcc/tree-complex.c:1788
Please submit a full bug report,
with preprocessed source if appropriate.
