Check for errors when calling lto_codegen_add_module in the gold plugin.

Thanks to Milan Lenčo for noticing it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192996 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 2 deletions

diff --git a/tools/gold/gold-plugin.cpp b/tools/gold/gold-plugin.cpp
index 8261739..360ec07 100644
--- a/tools/gold/gold-plugin.cpp
+++ b/tools/gold/gold-plugin.cpp
@@ -351,8 +351,13 @@ static ld_plugin_status claim_file_hook(const ld_plugin_input_file *file,
     }
   }
 
-  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);