[llvm-bugs] [Bug 30704] New: Thread sanitizer crash: error in backend: Sanitizer interface function redefined (memcpy)

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30704

            Bug ID: 30704
           Summary: Thread sanitizer crash: error in backend: Sanitizer
                    interface function redefined (memcpy)
           Product: clang
           Version: 3.9
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: keith at doctorigor.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17447
  --> https://llvm.org/bugs/attachment.cgi?id=17447&action=edit
preprocessed input

Submitting a bug report as requested by clang:

% /usr/local/bin/clang -w -fsanitize=thread mpeg2.c -o mpeg2
i8* (i8*, i8*, i64)* bitcast (void (i8*, i8*, i32)* @memcpy to i8* (i8*, i8*,
i64)*)
fatal error: error in backend: Sanitizer interface function redefined: i8*
(i8*, i8*, i64)* bitcast (void (i8*, i8*, i32)* @memcpy to i8* (i8*, i8*,
i64)*)
clang-3.9: error: clang frontend command failed with exit code 70 (use -v to
see invocation)
clang version 3.9.0 (tags/RELEASE_390/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
clang-3.9: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.

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