RFR: 8267237: ARM32: bad AD file in matcher.cpp after 8266810

[Christoph Göttschkes]

It appears that [JDK-8266810](https://bugs.openjdk.java.net/browse/JDK-8266810) introduced regression into aarch32. Many JTreg tests are failing with:

#  Internal Error (/var/jnode/openjdk-build-ws/workspace/openjdk-build/jdk/jdk-arm-linux-gnueabihf/jdk/src/hotspot/share/opto/matcher.cpp:1670), pid=15030, tid=15047
#  assert(false) failed: bad AD file


Testing: hotspot tier1 on ARMv7-A / linux

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Commit messages:
 - Fixes convL2FSupported for aarch32

Changes: https://git.openjdk.java.net/jdk/pull/4053/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4053&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267237
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4053.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4053/head:pull/4053

PR: https://git.openjdk.java.net/jdk/pull/4053