RFR: 8275086: compiler/c2/irTests/TestPostParseCallDevirtualization.java fails when compiler1 is disabled

[SUN Guoyun]

Hi all,
Jtreg test case compiler/c2/irTests/TestPostParseCallDevirtualization.java fails for fastdebug mode on x86/aarch64/mips architecture when "--with-jvm-features=-compiler1" be used. the failed info is:

<pre><code class="shell">
One or more @IR rules failed:

Failed IR Rules (1)
------------------
- Method "public int compiler.c2.irTests.TestPostParseCallDevirtualization.testMethodHandleCallWithCCP() throws java.lang.Throwable":
  * @IR rule 1: "@compiler.lib.ir_framework.IR(failOn={"#PRE#(\\\\d+(\\\\s){2}(CallStaticJava.*)+(\\\\s){2}===.*#IS_REPLACED#)", "invokeBasic"}, applyIf={}, applyIfAnd={}, applyIfOr={}, counts={"#PRE#(\\\\d+(\\\\s){2}(CallStaticJava.*)+(\\\\s){2}===.*#IS_REPLACED#)", "invokeStatic", "= 1"}, applyIfNot={})" 
    - failOn: Graph contains forbidden nodes:
        Regex 1: (\\d+(\\s){2}(CallStaticJava.*)+(\\s){2}===.*invokeBasic)
        Matched forbidden node:
          280  CallStaticJava  ===  5  6  7  8  1 ( 188  1  1  1  1  1  1 ) [[ 281  282  283  285 ]] # Static  java.lang.invoke.MethodHandle::invokeBasic
    - counts: Graph contains wrong number of nodes:
        Regex 1: (\\d+(\\s){2}(CallStaticJava.*)+(\\s){2}===.*invokeStatic)
        Expected 1 but found 0 nodes.

>>> Check stdout for compilation output of the failed methods
</code></pre>

This is a patch to fix this problem. Please help review it.

Thanks,
Sun Guoyun

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

Commit messages:
 - 8275086: compiler/c2/irTests/TestPostParseCallDevirtualization.java fails when compiler1 is disabled

Changes: https://git.openjdk.java.net/jdk/pull/5903/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5903&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8275086
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5903.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5903/head:pull/5903

PR: https://git.openjdk.java.net/jdk/pull/5903