json: turn off ubsan for json_variant_has_type()

Fixes: #15907
2020-05-26 09:01:26 +02:00
parent 6028d766d1
commit 8e2fa6e223
2 changed files with 12 additions and 1 deletions
@@ -84,6 +84,14 @@
 #define _variable_no_sanitize_address_
 #endif

+/* Apparently there's no has_feature() call defined to check for ubsan, hence let's define this
+ * unconditionally on llvm */
+#if defined(__clang__)
+#define _function_no_sanitize_float_cast_overflow_ __attribute__((no_sanitize("float-cast-overflow")))
+#else
+#define _function_no_sanitize_float_cast_overflow_
+#endif
+
 /* Temporarily disable some warnings */
 #define DISABLE_WARNING_FORMAT_NONLITERAL                               \
        _Pragma("GCC diagnostic push");                                 \