From 2832ce95a50e2f6702c40bcc7a703b0b59ca9969 Mon Sep 17 00:00:00 2001
From: Rui Ueyama <ruiu@google.com>
Date: Tue, 28 Jul 2015 01:06:58 +0000
Subject: [PATCH] COFF: Skip non-DWARF debug info sections.

Leaving them in an executable is basically harmless but wastes disk space.
Because no one is using non-DWARF debug info linked by LLD, we can just
remove them.

llvm-svn: 243364
---
 lld/COFF/InputFiles.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lld/COFF/InputFiles.cpp b/lld/COFF/InputFiles.cpp
index e9008d0..6bb1246 100644
--- a/lld/COFF/InputFiles.cpp
+++ b/lld/COFF/InputFiles.cpp
@@ -145,6 +145,10 @@ std::error_code ObjectFile::initializeChunks() {
       Directives = std::string((const char *)Data.data(), Data.size());
       continue;
     }
+    // Skip non-DWARF debug info. MSVC linker converts the sections into
+    // a PDB file, but we don't support that.
+    if (Name == ".debug" || Name.startswith(".debug$"))
+      continue;
     // We want to preserve DWARF debug sections only when /debug is on.
     if (!Config->Debug && Name.startswith(".debug"))
       continue;
-- 
2.7.4