[LLVMbugs] [Bug 4932] New: clang: doesn't honor -fno-asynchronous-unwind-tables

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Wed Sep 9 00:40:41 PDT 2009


           Summary: clang: doesn't honor -fno-asynchronous-unwind-tables
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: edwintorok at gmail.com
                CC: llvmbugs at cs.uiuc.edu
            Blocks: 4068

llvm-gcc and gcc do not emit .eh_frame with that flag, clang does.

$ echo 'int main(){}'|clang  -fno-asynchronous-unwind-tables  -x c - -S -o
-|grep eh_frame
clang: warning: argument unused during compilation:
        .section        .eh_frame,"aw", at progbits
        .long   .Leh_frame_common_end-.Leh_frame_common_begin
        .long   .Leh_frame_end1-.Leh_frame_begin1
        .long   .

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