PPC: [turbofan] Fix loading of JSFunction from activation in case of adapter frame.

src/compiler/ppc/code-generator-ppc.cc

Index: src/compiler/ppc/code-generator-ppc.cc
diff --git a/src/compiler/ppc/code-generator-ppc.cc b/src/compiler/ppc/code-generator-ppc.cc
index b26205408834b08829ac5822bb86ca45abde6250..39247c22cefa5712484f7fde5d355d70460458c4 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -1222,7 +1222,7 @@ void CodeGenerator::AssemblePrologue() {
     if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --");
     osr_pc_offset_ = __ pc_offset();
     // TODO(titzer): cannot address target function == local #-1
-    __ lwa(r4, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+    __ LoadP(r4, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
     DCHECK(stack_slots >= frame()->GetOsrStackSlotCount());
     stack_slots -= frame()->GetOsrStackSlotCount();
   }