See Mozilla bug #1153707 - [JavaScript Error: "invalid 'in' operand 

aLivemarkInfo"] when calling method: [mozIAsyncLivemarks::getLivemark].

This is already upstream in version 38. 

--- mozilla-esr31/xpcom/reflect/xptcall/src/md/unix/xptcstubs_sparc_solaris.cpp.orig	2015-06-04 17:42:52.730766562 -0700

+++ mozilla-esr31/xpcom/reflect/xptcall/src/md/unix/xptcstubs_sparc_solaris.cpp	2015-06-04 17:42:52.738654394 -0700

@@ -52,13 +52,17 @@

         if(param.IsOut() || !type.IsArithmetic())

         {

-            dp->val.p = (void*) *ap;

+            if (type == nsXPTType::T_JSVAL)

+                dp->val.p = *((void**)*ap);

+            else

+                dp->val.p = (void*) *ap;

+

             continue;

         }

         // else

         switch(type)

         {

-        case nsXPTType::T_I8     : dp->val.i8  = *((int32_t*)  ap);       break;

+        case nsXPTType::T_I8     : dp->val.i8  = *((int32_t*) ap);       break;

         case nsXPTType::T_I16    : dp->val.i16 = *((int32_t*) ap);       break;

         case nsXPTType::T_I32    : dp->val.i32 = *((int32_t*) ap);       break;

         case nsXPTType::T_DOUBLE :

--- mozilla-esr31/js/xpconnect/src/XPCWrappedJSClass.cpp.orig	2015-06-04 17:42:52.736217989 -0700

+++ mozilla-esr31/js/xpconnect/src/XPCWrappedJSClass.cpp	2015-06-04 17:42:52.739152339 -0700

@@ -1357,21 +1357,9 @@

                 break;

         }

-// see bug #961488

-#if (defined(XP_UNIX) && !defined(XP_MACOSX) && !defined(_AIX)) && \

-    ((defined(__sparc) && !defined(__sparcv9) && !defined(__sparcv9__)) || \

-    (defined(__powerpc__) && !defined (__powerpc64__)))

-        if (type_tag == nsXPTType::T_JSVAL) {

-            if (!XPCConvert::JSData2Native(*(void**)(&pv->val), val, type,

-                                           !param.IsDipper(), &param_iid, nullptr))

-                break;

-        } else

-#endif

-        {

-            if (!XPCConvert::JSData2Native(&pv->val, val, type,

-                                           !param.IsDipper(), &param_iid, nullptr))

-                break;

-        }

+        if (!XPCConvert::JSData2Native(&pv->val, val, type,

+                                       !param.IsDipper(), &param_iid, nullptr))

+            break;

     }

     // if any params were dependent, then we must iterate again to convert them.