[llvm-bugs] [Bug 30865] New: Don't emit .cfi pseudo-ops when not using the integrated assembler

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30865

            Bug ID: 30865
           Summary: Don't emit .cfi pseudo-ops when not using the
                    integrated assembler
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: jeremyhu at apple.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

clang-3.5 and newer fail with -no-integrated-as because of .cfi pseuro-ops. 
clang-3.4 and earlier work fine.

$  clang++-mp-devel --version
clang version 4.0.0 (trunk 285644)
Target: x86_64-apple-darwin15.6.0
Thread model: posix
InstalledDir: /opt/local/libexec/llvm-devel/bin

$ clang++-mp-devel test_throw.cxx -stdlib=libc++ -arch x86_64 -no-integrated-as
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:6:Unknown
pseudo-op: .cfi_startproc
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:7:Unknown
pseudo-op: .cfi_personality
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:7:Rest of
line ignored. 1st junk character valued 49 (1).
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:8:Unknown
pseudo-op: .cfi_lsda
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:8:Rest of
line ignored. 1st junk character valued 49 (1).
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:12:Unknown
pseudo-op: .cfi_def_cfa_offset
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:12:Rest of
line ignored. 1st junk character valued 49 (1).
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:14:Unknown
pseudo-op: .cfi_offset
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:14:Rest of
line ignored. 1st junk character valued 37 (%).
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:17:Unknown
pseudo-op: .cfi_def_cfa_register
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:17:Rest of
line ignored. 1st junk character valued 37 (%).
/var/folders/1b/f1bzh5152y9bvygzl07fn87m0000gn/T/test_throw-9b9122.s:80:Unknown
pseudo-op: .cfi_endproc
clang: error: assembler command failed with exit code 1 (use -v to see
invocation)

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