Add DeepState_Crash() hook

src/include/deepstate/DeepState.h

@@ -184,6 +184,9 @@ extern void _DeepState_Assume(int expr, const char *expr_str, const char *file,
 DEEPSTATE_NORETURN
 extern void DeepState_Abandon(const char *reason);
 
+/* Mark this test as having crashed. */
+extern void DeepState_Crash(void);
+
 DEEPSTATE_NORETURN
 extern void DeepState_Fail(void);
 
@@ -473,6 +476,7 @@ static int DeepState_ForkAndRunTest(struct DeepState_TestInfo *test) {
   }
 
   /* If here, we exited abnormally, and so the test failed due to a crash. */
+  DeepState_Crash();
   DeepState_LogFormat(DeepState_LogError, "Crashed: %s", test->test_name);
 
   if (HAS_FLAG_output_test_dir) {

src/lib/DeepState.c

@@ -55,6 +55,11 @@ void DeepState_Abandon(const char *reason) {
   longjmp(DeepState_ReturnToRun, 1);
 }
 
+/* Mark this test as having crashed. */
+void DeepState_Crash(void) {
+  DeepState_TestFailed = 1;
+}
+
 /* Mark this test as failing. */
 DEEPSTATE_NORETURN
 void DeepState_Fail(void) {
@@ -261,6 +266,7 @@ const struct DeepState_IndexEntry DeepState_API[] = {
 
   /* Control-flow during the test. */
   {"Pass",            (void *) DeepState_Pass},
+  {"Crash",           (void *) DeepState_Crash},
   {"Fail",            (void *) DeepState_Fail},
   {"SoftFail",        (void *) DeepState_SoftFail},
   {"Abandon",         (void *) DeepState_Abandon},