Check whether there are flags.

loewis · loewis · commit 2b366e41c3ee · 2006-02-26T22:12:35.000Z
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
@@ -1254,7 +1254,7 @@ Py_CompileStringFlags(const char *str, const char *filename, int start,
                 PyArena_Free(arena);
 		return NULL;
         }
-	if (flags->cf_flags & PyCF_ONLY_AST) {
+	if (flags && (flags->cf_flags & PyCF_ONLY_AST)) {
 		PyObject *result = PyAST_mod2obj(mod);
 		PyArena_Free(arena);
 		return result;

Original file line number	Diff line number	Diff line change
`@@ -1254,7 +1254,7 @@ Py_CompileStringFlags(const char str, const char filename, int start,`
`1254`	`1254`	`PyArena_Free(arena);`
`1255`	`1255`	`return NULL;`
`1256`	`1256`	`}`
`1257`		`- if (flags->cf_flags & PyCF_ONLY_AST) {`
	`1257`	`+ if (flags && (flags->cf_flags & PyCF_ONLY_AST)) {`
`1258`	`1258`	`PyObject *result = PyAST_mod2obj(mod);`
`1259`	`1259`	`PyArena_Free(arena);`
`1260`	`1260`	`return result;`