[LLVMbugs] [Bug 21636] New: -no-integrated-as is broken on Mac OS X (Unknown pseudo-op: .macosx_version_min)

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21636

            Bug ID: 21636
           Summary: -no-integrated-as is broken on Mac OS X (Unknown
                    pseudo-op: .macosx_version_min)
           Product: clang
           Version: trunk
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: t.poechtrager at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

$ cat test.c
int main(){}

$ ~/llvm-trunk/bin/clang test.c -no-integrated-as
/var/folders/yv/43njmxj17k7gv_04z6m21krm0000gn/T/test-4988d4.s:2:Unknown
pseudo-op: .macosx_version_min
/var/folders/yv/43njmxj17k7gv_04z6m21krm0000gn/T/test-4988d4.s:2:Rest of line
ignored. 1st junk character valued 49 (1).
[...]

---

cctools version: 855
clang version: trunk (3.5 seems also affected)

---

$ ~/llvm-trunk/bin/clang test.c -S -o-
        .section        __TEXT,__text,regular,pure_instructions
        .macosx_version_min 10, 9
        .globl  _main
        .align  4, 0x90
_main:                                  ## @main
## BB#0:
        pushl   %ebp
        movl    %esp, %ebp
        movl    $0, %eax
        popl    %ebp
        retl


.subsections_via_symbols

---

Apple Clang:

$ clang test.c -S -o-
        .section        __TEXT,__text,regular,pure_instructions
        .globl  _main
        .align  4, 0x90
_main:                                  ## @main
        .cfi_startproc
## BB#0:
        pushq   %rbp
Ltmp2:
        .cfi_def_cfa_offset 16
Ltmp3:
        .cfi_offset %rbp, -16
        movq    %rsp, %rbp
Ltmp4:
        .cfi_def_cfa_register %rbp
        movl    $0, %eax
        popq    %rbp
        ret
        .cfi_endproc


.subsections_via_symbols

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