[llvm-bugs] [Bug 36577] New: After r317197, clang hangs compiling openjdk8 for armv7

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36577

            Bug ID: 36577
           Summary: After r317197, clang hangs compiling openjdk8 for
                    armv7
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: dimitry at andric.com
                CC: llvm-bugs at lists.llvm.org

After https://reviews.llvm.org/rL317197 ("[ARM] and, or, xor and add with shl
combine") by Sam Parker, building openjdk8 (8.162.12) causes clang to hang on
compiling constMethod.cpp.  See
http://beefy8.nyi.freebsd.org/data/head-armv6-default/p460549_s328647/logs/openjdk8-jre-8.152.16_3.log
for a full build log.

I have bisected to this revision, and am still attempting to reduce the test
case to something manageable, as the preprocessed constMethod.ii file is ~88000
lines.

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