r287458 - Remove alignment from ctors/dtors lists in an attempt to placate LTO.

[John McCall via cfe-commits]

Author: rjmccall
Date: Sat Nov 19 14:12:25 2016
New Revision: 287458

URL: http://llvm.org/viewvc/llvm-project?rev=287458&view=rev
Log:
Remove alignment from ctors/dtors lists in an attempt to placate LTO.

Modified:
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=287458&r1=287457&r2=287458&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Sat Nov 19 14:12:25 2016
@@ -756,9 +756,15 @@ void CodeGenModule::EmitCtorList(CtorLis
     ctors.add(ctor.finish());
   }
 
-  (void) ctors.finishAndCreateGlobal(GlobalName, getPointerAlign(),
-                                     /*constant*/ false,
-                                     llvm::GlobalValue::AppendingLinkage);
+  auto list =
+    ctors.finishAndCreateGlobal(GlobalName, getPointerAlign(),
+                                /*constant*/ false,
+                                llvm::GlobalValue::AppendingLinkage);
+
+  // The LTO linker doesn't seem to like it when we set an alignment
+  // on appending variables.  Take it off as a workaround.
+  list->setAlignment(0);
+
   Fns.clear();
 }