[PATCH] D67774: [Mangle] Check ExternalASTSource before adding prefix to asm label names

[Vedant Kumar via Phabricator via cfe-commits]

vsk created this revision.
vsk added reviewers: teemperor, jasonmolenda, rjmccall.

LLDB may synthesize decls using asm labels. These decls cannot have a
mangle different than the one specified in the label name. I.e., the
mangle-suppression prefix should not be added.

Fixes an expression evaluation failure in lldb's TestVirtual.py on iOS.

rdar://45827323


https://reviews.llvm.org/D67774

Files:
  clang/include/clang/AST/ExternalASTSource.h
  clang/lib/AST/Mangle.cpp
  clang/test/Import/asm-label-mangle/Inputs/asm-label.cpp
  clang/test/Import/asm-label-mangle/test.cpp
  clang/tools/clang-import-test/clang-import-test.cpp
  lldb/include/lldb/Symbol/ClangExternalASTSourceCommon.h

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D67774.220899.patch
Type: text/x-patch
Size: 4461 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20190919/fcad9ec0/attachment.bin>