[PATCH] D11848: AST: Implement mangling support for function types without a prototype.

[Peter Collingbourne via cfe-commits]

pcc created this revision.
pcc added a reviewer: majnemer.
pcc added a subscriber: cfe-commits.

Function types without prototypes can arise when mangling a function type
within an overloadable function in C. We mangle these as we do a function
with an empty variadic argument list in C++.

http://reviews.llvm.org/D11848

Files:
  lib/AST/ItaniumMangle.cpp
  lib/AST/MicrosoftMangle.cpp
  test/CodeGen/mangle-ms.c
  test/CodeGen/overloadable.c

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