Apply an upstream patch to fix Zero.

http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/8bd024c567e7

This patch complements the following commits.

http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/f8a45a60bc6b
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/b1606443958a
http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/a3e756231625

Reported by:	Mikaël Urankar (mikael.urankar@gmail.com) (via swills)

2 files changed, 62 insertions, 0 deletions

diff --git a/java/openjdk8/files/patch-hotspot-src_cpu_zero_vm_methodHandles__zero.cpp b/java/openjdk8/files/patch-hotspot-src_cpu_zero_vm_methodHandles__zero.cpp
new file mode 100644
index 000000000000..abb4e5554244
--- /dev/null
+++ b/java/openjdk8/files/patch-hotspot-src_cpu_zero_vm_methodHandles__zero.cpp
@@ -0,0 +1,12 @@
+--- hotspot/src/cpu/zero/vm/methodHandles_zero.cpp.orig
++++ hotspot/src/cpu/zero/vm/methodHandles_zero.cpp
+@@ -180,3 +180,9 @@ address MethodHandles::generate_method_handle_interpre
+     return NULL;
+   }
+ }
++
++#ifndef PRODUCT
++void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
++  // This is just a stub.
++}
++#endif //PRODUCT
diff --git a/java/openjdk8/files/patch-hotspot_src_share_vm_interpreter_bytecodeInterpreter.cpp b/java/openjdk8/files/patch-hotspot_src_share_vm_interpreter_bytecodeInterpreter.cpp
new file mode 100644
index 000000000000..a6bfa31d5dd0
--- /dev/null
+++ b/java/openjdk8/files/patch-hotspot_src_share_vm_interpreter_bytecodeInterpreter.cpp
@@ -0,0 +1,50 @@
+--- hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp.orig
++++ hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp
+@@ -2569,13 +2569,35 @@ run:
+ 
+         // this could definitely be cleaned up QQQ
+         Method* callee;
+-        Klass* iclass = cache->f1_as_klass();
+-        // InstanceKlass* interface = (InstanceKlass*) iclass;
++        Method *interface_method = cache->f2_as_interface_method();
++        InstanceKlass* iclass = interface_method->method_holder();
++
+         // get receiver
+         int parms = cache->parameter_size();
+         oop rcvr = STACK_OBJECT(-parms);
+         CHECK_NULL(rcvr);
+         InstanceKlass* int2 = (InstanceKlass*) rcvr->klass();
++
++        // Receiver subtype check against resolved interface klass (REFC).
++        {
++          Klass* refc = cache->f1_as_klass();
++          itableOffsetEntry* scan;
++          for (scan = (itableOffsetEntry*) int2->start_of_itable();
++               scan->interface_klass() != NULL;
++               scan++) {
++            if (scan->interface_klass() == refc) {
++              break;
++            }
++          }
++          // Check that the entry is non-null.  A null entry means
++          // that the receiver class doesn't implement the
++          // interface, and wasn't the same as when the caller was
++          // compiled.
++          if (scan->interface_klass() == NULL) {
++            VM_JAVA_ERROR(vmSymbols::java_lang_IncompatibleClassChangeError(), "", note_no_trap);
++          }
++        }
++
+         itableOffsetEntry* ki = (itableOffsetEntry*) int2->start_of_itable();
+         int i;
+         for ( i = 0 ; i < int2->itable_length() ; i++, ki++ ) {
+@@ -2587,7 +2609,8 @@ run:
+         if (i == int2->itable_length()) {
+           VM_JAVA_ERROR(vmSymbols::java_lang_IncompatibleClassChangeError(), "", note_no_trap);
+         }
+-        int mindex = cache->f2_as_index();
++        int mindex = interface_method->itable_index();
++
+         itableMethodEntry* im = ki->first_method_entry(rcvr->klass());
+         callee = im[mindex].method();
+         if (callee == NULL) {