[PATCH] D62429: Fix linkage of _ZTS strings for types involving incomplete classes to match the Itanium ABI rules.

[Richard Smith - zygoloid via Phabricator via cfe-commits]

rsmith created this revision.
rsmith added a reviewer: rjmccall.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Without this patch, type_info objects for pointers to incomplete classes
compare unequal with libc++ when formed in multiple translation units,
because each translation unit has its own copy of the _ZTS symbol, in
violation of the Itanium ABI's uniqueness rule.


Repository:
  rC Clang

https://reviews.llvm.org/D62429

Files:
  lib/CodeGen/ItaniumCXXABI.cpp
  test/CodeGenCXX/rtti-linkage.cpp

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