RFR: 8303279: C2 Compiler crash (triggered by Kotlin 1.8.10) [v2]

[Volker Simonis]

> This is a problem probably introduced by [JDK-8238691](https://bugs.openjdk.org/browse/JDK-8238691). It could reproduce it with JDK 17, 18 and 21 and results in the following crash (see [JBS-issue](https://bugs.openjdk.org/browse/JDK-8303279) for more details):
> 
> 
> # Internal Error (/priv/simonisv/OpenJDK/Git/jdk/src/hotspot/share/opto/type.hpp:2059), pid=1152816, tid=1154124
> # assert(_base >= OopPtr && _base <= AryPtr) failed: Not a Java pointer
> #
> # JRE version: OpenJDK Runtime Environment (21.0) (slowdebug build 21-internal-adhoc.simonisv.jdk)
> ...
> Current CompileTask:
> C2: 91009 8214 ! 4 io.grpc.kotlin.ServerCalls$serverCallListener$requests$1::invokeSuspend (285 bytes)
> 
> Stack: [0x00007fff1306b000,0x00007fff1316c000], sp=0x00007fff13166fe0, free space=1007k
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
> V [libjvm.so+0x61d636] Type::is_oopptr() const+0x4e (type.hpp:2059)
> V [libjvm.so+0x14cee55] SubTypeCheckNode::sub(Type const*, Type const*) const+0x53 (subtypenode.cpp:37)
> V [libjvm.so+0x14c66b0] SubNode::Value(PhaseGVN*) const+0xa6 (subnode.cpp:107)
> V [libjvm.so+0xcdacb3] split_if(IfNode*, PhaseIterGVN*)+0x2ce (ifnode.cpp:111)
> V [libjvm.so+0xce044c] IfNode::Ideal_common(PhaseGVN*, bool)+0x128 (ifnode.cpp:1438)
> V [libjvm.so+0xce0496] IfNode::Ideal(PhaseGVN*, bool)+0x30 (ifnode.cpp:1448)
> V [libjvm.so+0x1298244] PhaseGVN::apply_ideal(Node*, bool)+0x70 (phaseX.cpp:667)
> V [libjvm.so+0x129a0fd] PhaseIterGVN::transform_old(Node*)+0x12d (phaseX.cpp:1196)
> V [libjvm.so+0x12998df] PhaseIterGVN::optimize()+0x16b (phaseX.cpp:1045)
> V [libjvm.so+0x93f89e] Compile::Optimize()+0xce0 (compile.cpp:2378)
> V [libjvm.so+0x9385fa] Compile::Compile(ciEnv*, ciMethod*, int, Options, DirectiveSet*)+0x16ca (compile.cpp:842)
> V [libjvm.so+0x806ab4] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1a0 (c2compiler.cpp:118)
> V [libjvm.so+0x958bc8] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xa04 (compileBroker.cpp:2265)
> V [libjvm.so+0x9576fa] CompileBroker::compiler_thread_loop()+0x462 (compileBroker.cpp:1944)
> V [libjvm.so+0x97b14a] CompilerThread::thread_entry(JavaThread*, JavaThread*)+0x84 (compilerThread.cpp:58)
> V [libjvm.so+0xd434ce] JavaThread::thread_main_inner()+0x15c (javaThread.cpp:719)
> V [libjvm.so+0xd43368] JavaThread::run()+0x258 (javaThread.cpp:704)
> V [libjvm.so+0x15481ea] Thread::call_run()+0x1a8 (thread.cpp:217)
> V [libjvm.so+0x1230036] thread_native_entry(Thread*)+0x1a5 (os_linux.cpp:778)
> ...
> ``` 
> 
> `SubTypeC...

Volker Simonis has updated the pull request incrementally with one additional commit since the last revision:

  Added Roland's new test

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/14600/files
  - new: https://git.openjdk.org/jdk/pull/14600/files/9e8d10a4..7a73d39c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14600&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14600&range=00-01

  Stats: 89 lines in 1 file changed: 89 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14600.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14600/head:pull/14600

PR: https://git.openjdk.org/jdk/pull/14600