[llvm-bugs] [Bug 35475] New: plumhall interps/interp94.c test failed.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35475

            Bug ID: 35475
           Summary: plumhall interps/interp94.c test failed.
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: Hsiangkai at gmail.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19491
  --> https://bugs.llvm.org/attachment.cgi?id=19491&action=edit
Reduced plumhall test case interps/interp94.c

Plumhall interps/interp94.c will test 'the minimum negative number' and 'the
recalculated minimum negative number by power of 2' is the same or not. In LLVM
6.0.0 will test failed in this case. Attachment is the reduced case according
to interps/interp94.c in plumhall.

~/sandbox/plumhall/bug $ ~/llvm-x86/bin/clang --version
clang version 5.0.0 (https://github.com/llvm-mirror/clang.git
7e8743f82ac7957c66d9c2444996be5b1218673b)
(https://github.com/llvm-mirror/llvm.git
657c31173ea30090583e40c7a9204561d9c2d8c4)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/users/kai/llvm-x86/bin
~/sandbox/plumhall/bug $ ~/llvm-x86/bin/clang -m32 -O3 test.c
~/sandbox/plumhall/bug $ ./a.out
test success
~/sandbox/plumhall/bug $ ~/llvm-dev/bin/clang --version
clang version 6.0.0 (https://github.com/llvm-mirror/clang.git
9f9177d3ef72580ca29e8844327f63d7aa1908af)
(https://github.com/llvm-mirror/llvm.git
75de121e01e390e4ca6e7e51c10ad27006cdc97a)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/users/kai/llvm-dev/bin
~/sandbox/plumhall/bug $ ~/llvm-dev/bin/clang -m32 -O3 test.c
~/sandbox/plumhall/bug $ ./a.out
test failed

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