CFV: New OpenJDK Members Group Member: Roland Westrelin

Wed Nov 1 17:40:26 UTC 2017

I hereby nominate Roland Westrelin (OpenJDK: roland) [1] for membership in
the OpenJDK Members group.

Roland is a Principal Software Engineer at Red Hat and works on
the HotSpot virtual machine. His changesets in the current OpenJDK
9 repositories are listed below.

Votes are due by 17:40 UTC on Wednesday, the 15th of November, 2017

Only current members of the OpenJDK Members Group [2] are eligible
to vote on this nomination.

For Three-Vote Consensus voting instructions, see [3].

[1] http://openjdk.java.net/census#roland
[2] http://openjdk.java.net/census#members
[3] http://openjdk.java.net/bylaws#three-vote-consensus

Changesets:
6700100: optimize inline_native_clone() for small objects with exact klass
6769124: various 64-bit fixes for c1
6898462: The escape analysis with G1 cause crash assertion
src/share/vm/runtime/vframeArray.cpp:94
6910461: Register allocator may insert spill code at wrong insertion index
6910464: Lookupswitch and Tableswitch default branches not recognized
as safepoints
6912521: System.arraycopy works slower than the simple loop for little lengths
6932496: c1: deoptimization of jsr subroutine fails on sparcv9
6986046: C1 valuestack cleanup
6988303: 6986046 breaks build with recent gcc
6991211: assert failure on sparc: "can not have caller-save register
operands at calls"
6991577: add IfOp optimization to C1
7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
7029017: Additional architecture support for c2 compiler
7033154: Improve C1 arraycopy performance
7054512: Compress class pointers after perm gen removal
7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for
monitor enter/exit code paths
7077312: Provide a CALL effect for instruct declaration in the ad file
7085012: ARM: com/sun/jdi/PopSynchronousTest.java still fails
7086394: c2/arm: enable UseFPUForSpilling
7087453: PhaseChaitin::yank_if_dead() should handle MachTemp inputs
7090968: Allow adlc register class to depend on runtime conditions
7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
7096010: c2: running with +PrintOptoAssembly crashes the VM when
$constanttablebase is used
7114106: C1: assert(goto_state->is_same(sux_state)) failed: states
must match now
7116050: C2/ARM: memory stomping error with DivideMcTests
7119286: JSR292: SIGSEGV in
JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
7121140: Allocation paths require explicit memory synchronization
operations for RMO systems
7123108: C1: assert(if_state != NULL) failed: states do not match up
7123253: C1: in store check code, usage of registers may be incorrect
7123910: Some CTW tests crash VM: is_loaded() && that->is_loaded()
7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
7129715: MAC: SIGBUS in nsk stress test
7133857: exp() and pow() should use the x87 ISA on x86
7143038: SIGSEGV in assert_equal / LinearScan::assign_reg_num
7144405: JumbleGC002 assert(m->offset() == pc_offset) failed: oopmap not found
7147740: add assertions to check stack alignment on VM entry from
generated code (x64)
7148486: At a method handle call returning with an exception may call
the runtime with misaligned stack (x64)
7153771: array bound check elimination for c1
7167254: Crash on OSX in Enumerator.nextElement() with compressed oops
7169934: pow(x,y) or x64 computes incorrect result when x<0 and y is
an odd integer
7171824: assert(_offset >= 1) failed: illegal call to offset()
7171890: C1: add Class.isInstance intrinsic
7173584: Implement arraycopy as a macro node
7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if
executed by testing framework
7174532: jdk/test/java/lang/Math/WorstCaseTests.java failing on x86
7177917: Failed test java/lang/Math/PowTests.java
7184649: NPG: Implement another MetdataPtr case
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob
7198074: NPG: assert(((Metadata*)obj)->is_valid()) failed: obj is valid
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle
call site is not linked
8000753: compiler/6912517 crashes on 64bit sparc with compressed oops off
8005031: Some cleanup in c2 to prepare for incremental inlining support
8005071: Incremental inlining for JSR 292
8005079: fix LogCompilation for incremental inlining
8005114: VM is crashing in ciKlass*ciObjArrayKlass::element_klass() if
metaspaces are full
8007144: Incremental inlining mistakes some call sites for dead ones
and doesn't inline them
8007294: ReduceFieldZeroing doesn't check for dependent load and can
lead to incorrect execution
8007722: C2: "assert(tp->base() != Type::AnyPtr) failed: not a bare
pointer" at machnode.cpp:376
8007959: Use expensive node logic for more math nodes
8007986: GrowableArray should implement binary search
8007988: PrintInlining output is inconsistent with incremental inlining
8008555: Debugging code in compiled method sometimes leaks memory
8009460: C2compiler crash in machnode::in_regmask(unsigned int)
8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the
interpreter frames it creates
8009981: nashorn tests fail with -XX:+VerifyStack
8010399: Test8009761.java "Failed: init recursive calls: 5498. After
deopt 5494".
8010460: Interpreter on some platforms loads ConstMethod::_max_stack
and misses extra stack slots for JSR 292
8010934: assert failure in c1_LinearScan.cpp: "asumption: non-Constant
instructions have only virtual operands"
8011582: assert(nbits == 32 || (-(1 << nbits-1) <= x && x < ( 1 <<
nbits-1))) failed: value out of range
8011648: C1: optimized build is broken after 7153771
8011706: specjvm2008 test xml.transform gets array bound exception with c1
8011771: runThese crashed with EAV
8011901: Unsafe.getAndAddLong(obj, off, delta) does not work properly
with long deltas
8012037: Test8009761.java "Failed: init recursive calls: 7224. After
deopt 58824"
8012292: optimized build with GCC broken
8013532: Remove unused parameter "compiler" from DTRACE_METHOD_COMPILE* macros
8015585: Missing regression test for 8011771
8016277: Crash in nmethod::is_compiled_by_c1() on x86
8023657: New type profiling points: arguments to call
8024067: Missing replace_in_map() calls following null checks
8024069: replace_in_map() should operate on parent maps
8024070: C2 needs some form of type speculation
8026054: New type profiling points: type of return values at calls
8026251: New type profiling points: parameters to methods
8026253: New type profiling points: sparc support
8026694: New type profiling points break compilation replay
8026796: Make replace_in_map() on parent maps generic
8026978: JSR292: fatal error: Type profiling not implemented on this platform
8027140: Assertion in compiler when running bigapps/Kitchensink/stability
8027422: assert(_gvn.type(obj)->higher_equal(tjp)) failed: cast_up is
no longer needed
8027445: SIGSEGV at TestFloatingDecimal.testAppendToDouble()I
8027571: fatal error: meet not symmetric
8027572: assert(r != 0) failed: invalid
8027626: assert(Opcode() != Op_If || outcnt() == 2) failed: bad if #1
8027631: "unexpected profiling mismatch" error with new type profiling
8027632: assert(xtype->klass_is_exact()) failed: Should be exact at graphKit.cpp
8028064: tiered may collect wrong receiver type at virtual call
8028308: nsk regression, assert(obj->is_oop()) failed: not an oop
8028536: Test cases to cover type system fixes pushed with 8024070
8028764: dtrace/hotspot_jni/ALL/ALL001 crashes the vm on
Solaris-amd64, SIGSEGV in MarkSweep::follow_stack()+0x8a
8029383: assert(counter_changed) failed: failed dependencies, but
counter didn't change
8029464: assert(ft == ttkp->cast_to_ptr_type(jtkp->ptr()) || ft->isa_narrowoop()
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
8030662: "assert(counter_changed) failed: failed dependencies, but
counter didn't change" still fails
8031752: Failed speculative optimizations should be reattempted when
root of compilation is different
8031754: Type speculation should favor profile data from outermost
inlined method
8031755: Type speculation should be used to optimize explicit null checks
8032011: nsk/stress/jck60/jck60022 crashes in
src\share\vm\runtime\synchronizer.cpp:239
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on
Solaris-Sparc V9
8032633: Enable type speculation by default
8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same
tags 1 != 0 at ciMethodData.cpp:90
8036146: make CPP interpreter build again
8037970: make PrintMethodData a diagnostic options
8038636: speculative traps break when classes are redefined
8039960: Unexpected exit from test
compiler/profiling/spectrapredefineclass/Launcher.java
8039975: SIGSEGV in MethodData::next_data(ProfileData*)
8040237: nsk/jvmti/RetransformClasses/retransform001 crashed the VM on
all platforms when run with with -server -Xcomp
8041481: JVM crashes with collect_args_for_profiling
8042557: compiler/uncommontrap/TestSpecTrapClassUnloading.java fails
with: GC triggered before VM initialization completed
8042997: Make intrinsic some or all check index/range methods
8043413: REGRESSION: Hotspot causes segmentation fault in jdk8ux, but
not in jdk7ux
8043638: Multiple compilation attempts break LogCompulation, lead to
confusing PrintInlining output
8046542: [I.finalize() calls from methods compiled by C1 do not cause
IllegalAccessError on Sparc
8046698: assert(false) failed: only Initialize or AddP expected macro.cpp:943
8048170: Test closed/java/text/Normalizer/ConformanceTest.java failed
8054054: 8040121 is broken
8054224: Recursive method that was compiled by C1 is unable to catch
StackOverflowError
8054478: C2: Incorrectly compiled char[] array access crashes JVM
8055153: nsk/stress/jck60/jck60014 crashes on sparc
8055530: assert(_exits.control()->is_top() ||
!_gvn.type(ret_phi)->empty()) failed: return value must be well
defined
8055910: closed/java/util/Collections/CheckedCollections.java failed
with ClassCastException not thrown
8055946: assert(result == NULL || result->is_oop()) failed: must be oop
8057038: Speculative traps not robust when compilation and class
unloading are concurrent
8057758: Tests run TypeProfileLevel=222 crash with guarantee(0)
failed: must find derived/base pair
8058636: test case for 8057758
8058746: escape analysis special case code for array copy broken by 7173584
8060252: JDK-7173584 compiler changes regress SPECjvm2008 on SPARC
8063086: Math.pow yields different results upon repeated calls
8064703: crash running specjvm98's javac following 8060252
8066045: opto/node.hpp:355, assert(i < _max) failed: oob: i=1, _max=1
8066103: C2's range check smearing allows out of bound array accesses
8066775: opto/node.hpp:355, assert(i < _max) failed: oob: i=1, _max=1
8067144: SIGSEGV with +TraceDeoptimization in Deoptimization::print_objects
8067231: Zero builds fails after JDK-6898462
8067647: [TESTBUG] compiler/rangechecks/TestRangeCheckSmearing.java
uses wrong path to Whitebox API
8069191: moving predicate out of loops may cause array accesses to
bypass null check
8069263: assert(fm == NULL || fm->method_holder() == _participants[n])
failed: sanity
8071533: assert(n0->is_Call()) failed: expect a call here
8071731: Better scaling for C1
8071821: Assert failed in UnexpectedDeoptimizationTest.java
8071999: SA's buildreplayjars fail with exception
8072016: Array copy may cause infinite cycle of deoptimization/compilation
8073184: Compile of java.lang.Integer::getChars fails with
LoopLimitCheck = false after 8054478
8073480: C2 should optimize explicit range checks
8073792: assert((get_length_if_constant(phase) == -1) ==
!ary_src->size()->is_con()) failed: inconsistent
8073796: assert(check_obj_alignment(result)) failed: address not aligned: ...
8073866: Fix for 8064703 is not sufficient
8073957: assert(ary_src != 0) failed: not an array or instance?
8074676: java.lang.invoke.PermuteArgsTest.java fails with
"assert(is_Initialize()) failed: invalid node class"
8075587: Compilation of constant array containing different sub
classes crashes the JVM
8075663: compiler/rangechecks/TestExplicitRangeChecks.java fails in
compiler nightlies
8075921: assert assert(allocx == alloc) fails in library_call.cpp
8075922: assert(t == t_no_spec) fails in phaseX.cpp
8076094: CheckCastPPNode::Value() has outdated logic for constants
8076188: Optimize arraycopy out for non escaping destination
8077504: Unsafe load can loose control dependency and cause crash
8077832: SA's dumpreplaydata, dumpcfg and buildreplayjars are broken
8078426: mb/jvm/compiler/InterfaceCalls/testAC2 -
assert(predicate_proj == 0L) failed: only one predicate entry expected
8078436: java/util/stream/boottest/java/util/stream/UnorderedTest.java
crashed with an assert in ifnode.cpp
8078444: compiler/arraycopy/TestArrayCopyNoInitDeopt.java fails with
exception 'm2 not deoptimized'
8078866: compiler/eliminateAutobox/6934604/TestIntBoxing.java
assert(p_f->Opcode() == Op_IfFalse) failed
8080289: Intermediate writes in a loop not eliminated by optimizer
8080308: TypeProfileLevel on SPARC platform should enable JSR292-only
profiling level
8080699: Assert failed: Not a Java pointer in JCK test
8080976: Unexpected AIOOB thrown from 1.9.0-ea-b64 on (regression)
8081823: C2 performs unsigned comparison against -1
8085832: Optimize main and post loop out when pre loop is found empty
8086016: closed/java/text/Format/NumberFormat/BigDecimalCompatibilityTest.java
is crashing
8086046: escape analysis generates incorrect code as of B67
8087341: C2 doesn't optimize redundant memory operations with G1
8130847: Cloned object's fields observed as null after C2 escape analysis
8130858: CICompilerCount=1 when tiered is off is not allowed any more
8131969: jit/FloatingPoint/gen_math/Loops05 assert(2 <= size && size
<= 16) failed: update low bits table
8132525: java -client -XX:+TieredCompilation -XX:CICompilerCount=1
-version asserts since 8130858
8133599: Unsafe.getAndSetObject() is no longer intrinsified by c2
8134031: Incorrect JIT compilation of complex code with inlining and
escape analysis
8134288: compiler/runtime/6859338/Test6859338.java crashes in
PhaseIdealLoop::try_move_store_after_loop
8134321: tools/pack200/Pack200Test.java crashes in the VM PIT jdk9 b79
8134468: Lucene test failures with 32 bit JDK 9b78, Server compiler
8134883: C1 hard crash in range check elimination in Nashorn test262parallel
8134974: 8130847 broken with loop predicates
8135069: C2 replaces range checks by unsigned comparison with -1
8136461: PhaseIdealLoop::try_move_store_before_loop() may bypass early loop exit
8136473: failed: no mismatched stores, except on raw memory: StoreB StoreI
8136596: Remove aarch64: MemBarRelease when final field's allocation
is NoEscape or ArgEscape
8136820: Generate better code for some Unsafe addressing patterns
8136926: phi == NULL assert in PhaseIdealLoop::try_move_store_after_loop
8137049: Code quality: reducing an trivial integer loop does not
produce an optimal code
8137168: Replace IfNode with a new RangeCheckNode for range checks
8138956: Elide more final field's write memory barrier with escape
analysis result
8139750: [BACKOUT] Elide more final field's write memory barrier with
escape analysis result
8139771: Eliminating CastPP nodes at Phis when they all come from a
unique input may cause crash
8140309: [REDO] failed: no mismatched stores, except on raw memory:
StoreB StoreI
8142386: Octane crashes with assert(is_Load())
8143542: C2 doesn't eliminate identical checks
8143930: C1 LinearScan asserts when compiling two back-to-back
CompareAndSwapLongs
8145322: Code generated from unsafe loops can be slightly improved
8146792: Predicate moved after partial peel may lead to broken graph
8146999: hotspot/test/compiler/c2/8007294/Test8007294.java test nightly failure
8147386: assert(size == calc_size) failed: incorrect size calculattion x86_32.ad
8147645: get_ctrl_no_update() code is wrong
8147853: "assert(t->meet(t0) == t) failed: Not monotonic" with
sun/util/calendar/zi/TestZoneInfo310.java
8148353: [linux-sparc] Crash in libawt.so on Linux SPARC
8148786: xml.tranform fails on x86-64
8149543: range check CastII nodes should not be split through Phi
8149797: Compilation fails with "assert(in_hash) failed: node should
be in igvn hash table"
8149916: Test case for 8149797
8154135: Loop alignment may be added inside the loop body
8154537: AArch64: some integer rotate instructions are never emitted
8154826: AArch64: take advantage better of base + shifted offset addressing mode
8154939: 8153998 broke vectorization on aarch64
8154943: AArch64: redundant address computation instructions with vectorization
8155015: Aarch64: bad assert in spill generation code
8155612: Aarch64: vector nodes need to support misaligned offset
8155717: Aarch64: enable loop superword's unrolling analysis
8161147: jvm crashes when -XX:+UseCountedLoopSafepoints is enabled
8161651: Logic in ConnectionGraph::split_unique_types() wrongly
assumes node always have memory input
8161652: Crash with assert(ft == _type) failed in PhiNode::Value()
8162338: AArch64: Intrinsify fused mac operations
8162384: Performance regression: bimorphic inlining may be bypassed by
type speculation
8166836: Elimination of clone's ArrayCopyNode may make compilation fail silently
8167298: assert(tp->base() != Type::AnyPtr) crash with
Unsafe.compareAndExchangeObject*
8167300: Scheduling failures during gcm should be fatal
8168086: 8166869 broke jvmci build on aarch64
8169497: Aarch64: Improve internal array handling
8170470: superword may miss reductions
8171092: C1's Math.fma() intrinsic doesn't correctly process its inputs
8173147: [ctw] fails during compilation of
sun.security.krb5.internal.crypto.RsaMd5DesCksumType::calculateKeyedChecksum
with " graph should be schedulable"
8174164: SafePointNode::_replaced_nodes breaks with irreducible loops
8175097: [TESTBUG] 8174164 fix missed the test
8176513: Poor code quality for ByteBuffers
8179070: nashorn+octane's box2d causes c2 to crash with "Bad graph
detected in compute_lca_of_uses"
8179678: ArrayCopy with same src and dst can cause incorrect execution
or compiler crash
8181742: Load that bypasses arraycopy has wrong memory state
8183543: Aarch64: C2 compilation often fails with "failed
spill-split-recycle sanity check"
8183551: Aarch64 platform specific code for 8173770

Thanks,
-- 
Andrew :)

Senior Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

Web Site: http://fuseyism.com
Twitter: https://twitter.com/gnu_andrew_java
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