From a95105b7846c29c5bd3868719621ab3679d9932b Mon Sep 17 00:00:00 2001

From: rpm-build <rpm-build>

Date: Sat, 7 Sep 2019 21:45:58 +0200

Subject: [PATCH] jsproperty-endian.patch

Bug 1543659 - fix JSPropertySpec::ValueWrapper on 64-bit big-endian platforms

Add some padding to make the union's int32 member correspond to the

low-order bits of the string member.  This fixes TypedArray tests on

s390x.

---

 js/src/jsapi.h | 7 +++++++

 1 file changed, 7 insertions(+)

diff --git a/js/src/jsapi.h b/js/src/jsapi.h

index 0f11787f6..f1c084f6a 100644

--- a/js/src/jsapi.h

+++ b/js/src/jsapi.h

@@ -1581,7 +1581,14 @@ struct JSPropertySpec {

     uintptr_t type;

     union {

       const char* string;

+#if MOZ_BIG_ENDIAN && JS_BITS_PER_WORD == 64

+      struct {

+        uint32_t padding;

+        int32_t int32;

+      };

+#else

       int32_t int32;

+#endif

     };

   };

-- 

2.23.0