Re-enable stack depth checks under ASan

Add a fudge factor to the stack size calculation because stack frames
are bigger when running under AddressSanitizer.

quickjs.c

@@ -67,7 +67,7 @@
 #define CONFIG_PRINTF_RNDN
 #endif
 
-#if !defined(EMSCRIPTEN) && !defined(__ASAN__)
+#if !defined(EMSCRIPTEN)
 /* enable stack limitation */
 #define CONFIG_STACK_CHECK
 #endif
@@ -1576,6 +1576,9 @@ static inline uintptr_t js_get_stack_pointer(void)
 static inline BOOL js_check_stack_overflow(JSRuntime *rt, size_t alloca_size)
 {
     uintptr_t sp;
+#ifdef __ASAN__
+    alloca_size *= 2; // stack frames are bigger under AddressSanitizer
+#endif
     sp = js_get_stack_pointer() - alloca_size;
     return unlikely(sp < rt->stack_limit);
 }