// RUN: %clang %S/Inputs/returns-unexpectedly.c -O3 -c -o %t.ru.o // RUN: %clangxx -fsanitize=unreachable -O3 -o %t %s %t.ru.o // RUN: not %run %t builtin 2>&1 | FileCheck %s -check-prefix=BUILTIN // RUN: not %run %t noreturn-callee-marked 2>&1 | FileCheck %s -check-prefix=NORETURN1 // RUN: not %run %t noreturn-caller-marked 2>&1 | FileCheck %s -check-prefix=NORETURN2 #include <string.h> void __attribute__((noreturn)) callee_marked_noreturn() { // NORETURN1: unreachable.cpp:[[@LINE+1]]:1: runtime error: execution reached an unreachable program point } extern "C" void __attribute__((noreturn)) returns_unexpectedly(); int main(int, char **argv) { if (strcmp(argv[1], "builtin") == 0) // BUILTIN: unreachable.cpp:[[@LINE+1]]:5: runtime error: execution reached an unreachable program point __builtin_unreachable(); else if (strcmp(argv[1], "noreturn-callee-marked") == 0) callee_marked_noreturn(); else if (strcmp(argv[1], "noreturn-caller-marked") == 0) // NORETURN2: unreachable.cpp:[[@LINE+1]]:5: runtime error: execution reached an unreachable program point returns_unexpectedly(); return 0; }