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Commit 77bbb5fd authored by David Blaikie's avatar David Blaikie
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DebugInfo: Blocks: Do not depend on LLVM argument numbering when choosing the... 

DebugInfo: Blocks: Do not depend on LLVM argument numbering when choosing the debug info argument numbering.

Due to the possible presence of return-by-out parameters, using the LLVM
argument number count when numbering debug info arguments can end up
off-by-one. This could produce two arguments with the same number, which
would in turn cause LLVM to emit only one of those arguments (whichever
it found last) or assert (r215157).

llvm-svn: 215227
parent 08e30fd3
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