--- old/src/hotspot/cpu/ppc/interpreterRT_ppc.cpp	2018-03-20 18:39:07.119376418 -0400
+++ new/src/hotspot/cpu/ppc/interpreterRT_ppc.cpp	2018-03-20 18:39:06.468315995 -0400
@@ -25,6 +25,7 @@
 
 #include "precompiled.hpp"
 #include "asm/assembler.inline.hpp"
+#include "interpreter/interp_masm.hpp"
 #include "interpreter/interpreter.hpp"
 #include "interpreter/interpreterRuntime.hpp"
 #include "memory/allocation.inline.hpp"
@@ -46,6 +47,12 @@
 
 // Implementation of SignatureHandlerGenerator
 
+InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(
+    const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
+  _masm = new MacroAssembler(buffer);
+  _num_used_fp_arg_regs = 0;
+}
+
 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
   Argument jni_arg(jni_offset());
   Register r = jni_arg.is_register() ? jni_arg.as_register() : R0;