https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96834
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to z.zhanghaij...@huawei.com from comment #4) > The case like: > test.c: > int f300001() { } > void f300000() { printf("300000\n"); f300001(); } > void f299999() { printf("299999\n"); f300000(); } > void f299998() { printf("299998\n"); f299999(); } > void f299997() { printf("299997\n"); f299998(); } > ... > void f10() { printf("10\n"); f11(); } > void f9() { printf("9\n"); f10(); } > void f8() { printf("8\n"); f9(); } > void f7() { printf("7\n"); f8(); } > void f6() { printf("6\n"); f7(); } > void f5() { printf("5\n"); f6(); } > void f4() { printf("4\n"); f5(); } > void f3() { printf("3\n"); f4(); } > void f2() { printf("2\n"); f3(); } > void f1() { printf("1\n"); f2(); } > int main(int argc, char** argv){ f1(); } > > This can also produces the error on aarch64: > > gcc test.c -S > gcc: internal compiler error: Segmentation fault signal terminated program > cc1 > Please submit a full bug report, > with preprocessed source if appropriate. > See <https://gcc.gnu.org/bugs/> for instructions. But that's sth entirely different and not vectorization triggered.