Handle writeImportLibrary failing.

We were printing an error but exiting with 0.

Not sure how to test this. We could add a no-winlib feature,
but that is probably not worth it.

llvm-svn: 244109

3 files changed, 4 insertions, 1 deletions

diff --git a/lld/COFF/Driver.cpp b/lld/COFF/Driver.cpp
index ce2db0945c0..225453291a9 100644
--- a/lld/COFF/Driver.cpp
+++ b/lld/COFF/Driver.cpp
@@ -710,7 +710,8 @@ bool LinkerDriver::link(llvm::ArrayRef<const char *> ArgsArr) {
   if (!Config->Exports.empty()) {
     if (fixupExports())
       return false;
-    writeImportLibrary();
+    if (writeImportLibrary())
+      return false;
     assignExportOrdinals();
   }
 
diff --git a/lld/test/COFF/export.test b/lld/test/COFF/export.test
index aa6343dab34..bb18ca597a6 100644
--- a/lld/test/COFF/export.test
+++ b/lld/test/COFF/export.test
@@ -2,6 +2,7 @@
 #
 # RUN: lld -flavor link2 /out:%t.dll /dll %t.obj /export:exportfn1 /export:exportfn2
 # RUN: llvm-objdump -p %t.dll | FileCheck -check-prefix=CHECK1 %s
+# REQUIRES: winlib
 
 CHECK1:      Export Table:
 CHECK1:      DLL name: export.test.tmp.dll
diff --git a/lld/test/COFF/export32.test b/lld/test/COFF/export32.test
index 62ee1a66f4f..7681f877d65 100644
--- a/lld/test/COFF/export32.test
+++ b/lld/test/COFF/export32.test
@@ -2,6 +2,7 @@
 #
 # RUN: lld -flavor link2 /out:%t.dll /dll %t.obj /export:exportfn1 /export:exportfn2
 # RUN: llvm-objdump -p %t.dll | FileCheck -check-prefix=CHECK1 %s
+# REQUIRES: winlib
 
 # CHECK1:      Export Table:
 # CHECK1:      DLL name: export32.test.tmp.dll