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// RUN: %clangxx_cfi_dso -DSHARED_LIB %s -fPIC -shared -o %t-so.so
// RUN: %clangxx_cfi_dso %s -o %t %t-so.so && %expect_crash %t 2>&1 | FileCheck %s
// RUN: %clangxx_cfi_dso_diag -g -DSHARED_LIB %s -fPIC -shared -o %t2-so.so
// RUN: %clangxx_cfi_dso_diag -g %s -o %t2 %t2-so.so && %t2 2>&1 | FileCheck %s --check-prefix=CFI-DIAG
#include <stdio.h>
#ifdef SHARED_LIB
void g();
void f() {
// CHECK-DIAG: =1=
// CHECK: =1=
fprintf(stderr, "=1=\n");
((void (*)(void))g)();
// CHECK-DIAG: =2=
// CHECK: =2=
fprintf(stderr, "=2=\n");
// CFI-DIAG: runtime error: control flow integrity check for type 'void (int)' failed during indirect function call
// CFI-DIAG-NEXT: note: g() defined here
((void (*)(int))g)(42); // UB here
// CHECK-DIAG: =3=
// CHECK-NOT: =3=
fprintf(stderr, "=3=\n");
}
#else
void f();
void g() {
}
int main() {
f();
}
#endif
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