[llvm] r192996 - Check for errors when calling lto_codegen_add_module in the gold plugin.

[Rafael Espindola]

Author: rafael
Date: Fri Oct 18 14:32:06 2013
New Revision: 192996

URL: http://llvm.org/viewvc/llvm-project?rev=192996&view=rev
Log:
Check for errors when calling lto_codegen_add_module in the gold plugin.

Thanks to Milan Lenčo for noticing it.

Modified:
    llvm/trunk/tools/gold/gold-plugin.cpp

Modified: llvm/trunk/tools/gold/gold-plugin.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/gold/gold-plugin.cpp?rev=192996&r1=192995&r2=192996&view=diff
==============================================================================
--- llvm/trunk/tools/gold/gold-plugin.cpp (original)
+++ llvm/trunk/tools/gold/gold-plugin.cpp Fri Oct 18 14:32:06 2013
@@ -351,8 +351,13 @@ static ld_plugin_status claim_file_hook(
     }
   }
 
-  if (code_gen)
-    lto_codegen_add_module(code_gen, M);
+  if (code_gen) {
+    if (lto_codegen_add_module(code_gen, M)) {
+      (*message)(LDPL_ERROR, "Error linking module: %s",
+                 lto_get_error_message());
+      return LDPS_ERR;
+    }
+  }
 
   lto_module_dispose(M);