[LLVMbugs] [Bug 14341] New: clang -fsanitize=undefined fails to link files correctly

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Nov 14 14:02:03 PST 2012


             Bug #: 14341
           Summary: clang -fsanitize=undefined fails to link files
           Product: compiler-rt
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: compiler-rt
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: lostphifunction at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

I've built trunk LLVM (r167974), clang, and compiler-rt on Ubuntu 12.10 i386
using the configure script and make.

When I try to compile files with "clang -fsanitize=address" everything works as
expected, but when I do "clang -fsanitize=undefined" I get a linking error

/usr/bin/ld: cannot find
/usr/local/bin/../lib/clang/3.2/lib/linux/libclang_rt.ubsan-i386.a: No such
file or directory

In that directory exists libclang_rt.asan-i386.a, libclang_rt.full-i386.a, and
libclang_rt.profile-i386.a, but there is no ubsan library.

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