7087727: JSR 292: C2 crash if ScavengeRootsInCode=2 when "static final" MethodHandle constants are in use
Reviewed-by: jrose, kvn, never
--- a/hotspot/src/share/vm/opto/callGenerator.cpp Tue Nov 08 20:42:26 2011 -0800
+++ b/hotspot/src/share/vm/opto/callGenerator.cpp Wed Nov 09 00:42:33 2011 -0800
@@ -775,15 +775,15 @@
Node* bol = NULL;
int bc = jvms->method()->java_code_at_bci(jvms->bci());
- if (bc == Bytecodes::_invokespecial) {
- // This is the selectAlternative idiom for guardWithTest
+ if (bc != Bytecodes::_invokedynamic) {
+ // This is the selectAlternative idiom for guardWithTest or
+ // similar idioms.
Node* receiver = kit.argument(0);
// Check if the MethodHandle is the expected one
Node* cmp = gvn.transform(new(kit.C, 3) CmpPNode(receiver, predicted_mh));
bol = gvn.transform(new(kit.C, 2) BoolNode(cmp, BoolTest::eq) );
} else {
- assert(bc == Bytecodes::_invokedynamic, "must be");
// Get the constant pool cache from the caller class.
ciMethod* caller_method = jvms->method();
ciBytecodeStream str(caller_method);