[PATCH] D123534: [dwarf] Emit a DIGlobalVariable for constant strings.

[Mitch Phillips via Phabricator via cfe-commits]

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An upcoming patch will extend llvm-symbolizer to provide the source line
information for global variables. The goal is to move AddressSanitizer
off of internal debug info for symbolization onto the DWARF standard
(and doing a clean-up in the process). Currently, ASan reports the line
information for constant strings if a memory safety bug happens around
them. We want to keep this behaviour, so we need to emit debuginfo for
these variables as well.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D123534

Files:
  clang/lib/CodeGen/CGDebugInfo.cpp
  clang/lib/CodeGen/CGDebugInfo.h
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/test/CodeGen/debug-info-variables.c
  clang/test/VFS/external-names.c

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