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Use uniqueness of C++ fully-qualified names to resolve conflicts

Description

Use uniqueness of C++ fully-qualified names to resolve conflicts

A very expected layout: source tree is in ~/src/llvm, the build directory is in
~/src/llvm-build, and the install location is in /usr/local/{lib,include}.

The DWARF information in /usr/local/lib/libLLVM.a for ilist.h points to
~/src/llvm-build/include/llvm/ADT/ilist.h. Now, when someone includes
"llvm/ADT/ilist.h" and links against /usr/local/lib/libLLVM.a. Disaster.

The DWARF information in libUser.so for ilist.h points to two locations: the one
in /usr/include, and the one in ~/src/llvm-build/include. LLDB gets confused.

Let's uniquify fully-qualified names and never trip on such a thing.

Differential Revision: http://reviews.llvm.org/D14549

Details

Committed
artagnonNov 12 2015, 6:44 AM
Differential Revision
D14549: Use uniqueness of C++ fully-qualified names to resolve conflicts
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