[LLVMbugs] [Bug 18113] New: asm declaration makes the backend crash

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Dec 2 09:29:34 PST 2013


            Bug ID: 18113
           Summary: asm declaration makes the backend crash
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Driver
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sylvestre at debian.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The following declaration: 
__asm__(".symver foo, bar@@v"  );

make clang crash with:

fatal error: error in backend: A @@ version cannot be undefined
clang: error: clang frontend command failed with exit code 70 (use -v to see
Debian clang version 3.3-12 (branches/release_33) (based on LLVM 3.3)
Target: x86_64-pc-linux-gnu
Thread model: posix
Fails with both 3.3 and 3.4 rc1.

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