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authorManman Ren <manman.ren@gmail.com>2013-12-02 19:37:35 +0000
committerManman Ren <manman.ren@gmail.com>2013-12-02 19:37:35 +0000
commit5b814d4d7078c239a7240abaa1c11a243b6ad77d (patch)
tree825a0b494150ef0f52236e412c54349f7de89c56 /lib/CodeGen/CodeGenModule.cpp
parent773297c49a305a9ce442fa78f5a917ab8403b3c8 (diff)
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Expand comments for Debug Info Version.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196143 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CodeGenModule.cpp')
-rw-r--r--lib/CodeGen/CodeGenModule.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 2acb2ec1e8..ae7983745c 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -260,7 +260,10 @@ void CodeGenModule::Release() {
CodeGenOpts.DwarfVersion);
if (DebugInfo)
// We support a single version in the linked module: error out when
- // modules do not have the same version.
+ // modules do not have the same version. We are going to implement dropping
+ // debug info when the version number is not up-to-date. Once that is
+ // done, the bitcode linker is not going to see modules with different
+ // version numbers.
getModule().addModuleFlag(llvm::Module::Error, "Debug Info Version",
llvm::dwarf::DEBUG_INFO_VERSION);