PPC: Fix '[strong] Function arity check should be based on required parameters'

src/ppc/builtins-ppc.cc

Index: src/ppc/builtins-ppc.cc
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc
index ee89116313a7f9707b8b66436561e6a27d888f41..48e45db98165189c50bb754fdebbc12fe9a6f89d 100644
--- a/src/ppc/builtins-ppc.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -1778,7 +1778,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
     __ beq(&no_strong_error, cr0);
 
     // What we really care about is the required number of arguments.
-    __ lwa(r7, FieldMemOperand(r7, SharedFunctionInfo::kLengthOffset));
+    __ lwz(r7, FieldMemOperand(r7, SharedFunctionInfo::kLengthOffset));
 #if V8_TARGET_ARCH_PPC64
     // See commment near kLenghtOffset in src/objects.h
     __ srawi(r7, r7, kSmiTagSize);