David Blaikie 77bbb5fd0b 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

2014-08-08 17:10:14 +00:00

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