[PATCH] [DWARF] Fix a few corner cases in expression emission

[Adrian Prantl]

I think you're right. The definition of DW_OP_stack_value is vague but the examples speak a clear language:

  DW_OP_breg5 4

is equivalent to

  DW_OP_breg5 4 DW_OP_deref DW_OP_stack_value

and means (in C notation)

  *(reg5+4)

And

  DW_OP_breg5 4 DW_OP_stack_value

indeed means

  reg5+4


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  rL LLVM

http://reviews.llvm.org/D10302

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