hg: jdk8u/jdk8u-dev/hotspot: 8213419: C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1

[rwestrel at redhat.com]

Changeset: 67aa2bb0d84e
Author:    roland
Date:      2019-02-06 17:32 +0100
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/67aa2bb0d84e

8213419: C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1
Reviewed-by: kvn, dlong, aph

! src/share/vm/opto/mulnode.cpp
! src/share/vm/utilities/globalDefinitions.hpp
+ test/compiler/integerArithmetic/MultiplyByIntegerMinHang.java