File mozilla-bmo1512162.patch of Package firefox78

# HG changeset patch
# Parent  e42a036a5533ea6a60ebc22fd2a150c384d42fda
This fixes a broken build for gcc < 9 on ppc64le.
This patch can be removed for newer gcc-versions.

Index: b/js/xpconnect/src/XPCWrappedNative.cpp
===================================================================
--- a/js/xpconnect/src/XPCWrappedNative.cpp
+++ b/js/xpconnect/src/XPCWrappedNative.cpp
@@ -1075,7 +1075,11 @@ class MOZ_STACK_CLASS CallMethodHelper f
   MOZ_ALWAYS_INLINE bool GetOutParamSource(uint8_t paramIndex,
                                            MutableHandleValue srcp) const;
 
-  MOZ_ALWAYS_INLINE bool GatherAndConvertResults();
+#if !(__GNUC__ && __linux__ && __PPC64__ && _LITTLE_ENDIAN)
+// Work around a compiler bug on ppc64le (bug 1512162).
+  MOZ_ALWAYS_INLINE
+#endif
+  bool GatherAndConvertResults();
 
   MOZ_ALWAYS_INLINE bool QueryInterfaceFastPath();
 
@@ -1122,7 +1126,11 @@ class MOZ_STACK_CLASS CallMethodHelper f
 
   ~CallMethodHelper();
 
-  MOZ_ALWAYS_INLINE bool Call();
+#if !(__GNUC__ && __linux__ && __PPC64__ && _LITTLE_ENDIAN)
+// Work around a compiler bug on ppc64le (bug 1512162).
+  MOZ_ALWAYS_INLINE
+#endif
+  bool Call();
 
   // Trace implementation so we can put our CallMethodHelper in a Rooted<T>.
   void trace(JSTracer* aTrc);