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ad86d0ceb5
Summary: The positions of the DwarfVersion and AddressSize arguments were reversed, which caused parsing for dwarf opcodes which contained address-size-dependent operands (such as DW_OP_addr). Amusingly enough, none of the address-size asserts fired, as dwarf version was always 4, which is a valid address size. I ran into this when constructing weird inputs for the DWARF verifier. I I add a test case as hand-written dwarf -- I am not sure how to trigger this differently, as having a DW_OP_addr inside a location list is a fairly non-standard thing to do. Fixing this error exposed a bug in the debug_loc.dwo parser, which was always being constructed with an address size of 0. I fix that as well by following the pattern in the non-dwo parser of picking up the address size from the first compile unit (which is technically not correct, but probably good enough in practice). Reviewers: JDevlieghere, aprantl, dblaikie Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D45324 llvm-svn: 329381 |
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