hg: jdk/jdk: 3 new changesets

[tobias.hartmann at oracle.com]

Changeset: cfdd7ef808d9
Author:    chagedorn
Date:      2019-10-23 12:15 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/cfdd7ef808d9

8232873: Add missing test for 8220416
Summary: Adds a missing test which verifies the bug fix of 8220416.
Reviewed-by: roland, thartmann

+ test/hotspot/jtreg/compiler/c2/CmpPNodeSubTest.java

Changeset: c8d42aa9359a
Author:    chagedorn
Date:      2019-10-23 12:17 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/c8d42aa9359a

8232874: Add missing test for 8230062
Summary: Adds a missing test which verifies the bug fix of 8230062.
Reviewed-by: roland, thartmann

+ test/hotspot/jtreg/compiler/loopopts/superword/SuperWordIntermediateUse.java

Changeset: 0f882d53c204
Author:    chagedorn
Date:      2019-10-23 12:21 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/0f882d53c204

8231412: C2: InitializeNode::detect_init_independence() bails out on simple IR shapes
Summary: Avoids early bailout of capturing a field store to remove unnecessary zeroing in simple methods containing only non-escaping objects.
Reviewed-by: roland, thartmann

! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp
! src/hotspot/share/opto/phaseX.cpp
+ test/hotspot/jtreg/compiler/escapeAnalysis/TestEliminateAllocation.java