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with a debug build) with this buggy .indirect_symbol directive usage: % cat test.s x: .indirect_symbol _y The assertion is because it is trying to get the symbol index for the symbol _y when it is writing out the indirect symbol table. This line of code in MachObjectWriter::WriteObject() : Write32(Asm.getSymbolData(*it->Symbol).getIndex()); And while there is a symbol _y it does not have any getSymbolData set which is only done in MachObjectWriter::BindIndirectSymbols() for pointer sections or stub sections. I added a check and an error in there to catch this in case something slips through. But to get a better error the parser should detect when a .indirect_symbol directive is used and it is not in a pointer section or stub section. To make that work I moved the handling of the indirect symbol out of the target independent AsmParser code into the DarwinAsmParser code that can check for the proper Mach-O section types. rdar://14825505 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189497 91177308-0d34-0410-b5e6-96231b3b80d8
6 lines
252 B
ArmAsm
6 lines
252 B
ArmAsm
// RUN: not llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - 2> %t.err > %t
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// RUN: FileCheck --check-prefix=CHECK-ERROR < %t.err %s
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x: .indirect_symbol _y
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// CHECK-ERROR: 4:4: error: indirect symbol not in a symbol pointer or stub section
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