Always pass an Isolate to AssemblerBase

src/ppc/macro-assembler-ppc.cc

Index: src/ppc/macro-assembler-ppc.cc
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc
index d7f2344bf33ee17f9a4b4d571daff0370aed92f8..2822aaf60b4f4005cc8749b2dd7f61bda8748ae2 100644
--- a/src/ppc/macro-assembler-ppc.cc
+++ b/src/ppc/macro-assembler-ppc.cc
@@ -4341,11 +4341,11 @@ bool AreAliased(Register reg1, Register reg2, Register reg3, Register reg4,
 #endif
 
 
-CodePatcher::CodePatcher(byte* address, int instructions,
+CodePatcher::CodePatcher(Isolate* isolate, byte* address, int instructions,
                          FlushICache flush_cache)
     : address_(address),
       size_(instructions * Assembler::kInstrSize),
-      masm_(NULL, address, size_ + Assembler::kGap, CodeObjectRequired::kNo),
+      masm_(isolate, address, size_ + Assembler::kGap, CodeObjectRequired::kNo),
       flush_cache_(flush_cache) {
   // Create a new macro assembler pointing to the address of the code to patch.
   // The size is adjusted with kGap on order for the assembler to generate size
@@ -4357,7 +4357,7 @@ CodePatcher::CodePatcher(byte* address, int instructions,
 CodePatcher::~CodePatcher() {
   // Indicate that code has changed.
   if (flush_cache_ == FLUSH) {
-    Assembler::FlushICacheWithoutIsolate(address_, size_);
+    Assembler::FlushICache(masm_.isolate(), address_, size_);
   }
 
   // Check that the code was patched as expected.