8036898: assert(t != NULL) failed: must set before get
Summary: Ignore nodes without a type when checking for speculative types in Compile::remove_speculative_types(...).
Reviewed-by: kvn, roland
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>
--- a/hotspot/src/share/vm/opto/compile.cpp Wed Apr 09 19:45:59 2014 +0000
+++ b/hotspot/src/share/vm/opto/compile.cpp Thu Apr 10 09:26:24 2014 +0200
@@ -4048,8 +4048,8 @@
worklist.push(root());
for (uint next = 0; next < worklist.size(); ++next) {
Node *n = worklist.at(next);
- const Type* t = igvn.type(n);
- assert(t == t->remove_speculative(), "no more speculative types");
+ const Type* t = igvn.type_or_null(n);
+ assert((t == NULL) || (t == t->remove_speculative()), "no more speculative types");
if (n->is_Type()) {
t = n->as_Type()->type();
assert(t == t->remove_speculative(), "no more speculative types");