[llvm-bugs] [Bug 43791] New: AlignmentTest.AlignConstexprConstant fails on x86 after r374758

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43791

            Bug ID: 43791
           Summary: AlignmentTest.AlignConstexprConstant fails on x86
                    after r374758
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: lukebenes at hotmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Starting with r374758, the AlignmentTest.AlignConstexprConstant lit test is
failing on x86 Linux. I have tested on 2 different machines running OpenSuse
and Arch 32.

Here is the build log:

llvm-lit: /home/luke/u64/llvm-project/llvm/utils/lit/lit/llvm/config.py:342:
note: using clang: /home/luke/u64/llvm-project/build/bin/clang
llvm-lit: /home/luke/u64/llvm-project/build/utils/lit/tests/lit.cfg:69:
warning: Setting a timeout per test not supported. Requires the Python psutil
module but it could not be found. Try installing it via pip or via your
operating system's package manager. Some tests will be skipped and the
--timeout command line argument will not work.
FAIL: LLVM-Unit :: Support/./SupportTests/AlignmentTest.AlignConstexprConstant
(2815 of 50227)
******************** TEST 'LLVM-Unit ::
Support/./SupportTests/AlignmentTest.AlignConstexprConstant' FAILED
********************
Note: Google Test filter = AlignmentTest.AlignConstexprConstant
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from AlignmentTest
[ RUN      ] AlignmentTest.AlignConstexprConstant
/home/luke/u64/llvm-project/llvm/unittests/Support/AlignmentTest.cpp:43:
Failure
      Expected: Align(8)
      Which is: 1-byte object <03>
To be equal to: kConstantAlign
      Which is: 1-byte object <02>
[  FAILED  ] AlignmentTest.AlignConstexprConstant (0 ms)
[----------] 1 test from AlignmentTest (0 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (1 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] AlignmentTest.AlignConstexprConstant

 1 FAILED TEST

********************
Testing Time: 1491.70s
********************
Failing Tests (1):
    LLVM-Unit :: Support/./SupportTests/AlignmentTest.AlignConstexprConstant

  Expected Passes    : 48671
  Expected Failures  : 163
  Unsupported Tests  : 1392 
  Unexpected Failures: 1

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