Add a test for r258362.

Thanks to Mehdi for finding it.

llvm-svn: 259394

llvm/test/Linker/Inputs/funcimport2.ll

@@ -0,0 +1,8 @@
+define linkonce_odr hidden void @foo() {
+    ret void
+}
+
+define void @bar() {
+    call void @foo()
+    ret void
+}

llvm/test/Linker/funcimport2.ll

@@ -0,0 +1,17 @@
+; RUN: llvm-as -function-summary %s -o %t1.bc
+; RUN: llvm-as -function-summary %p/Inputs/funcimport2.ll -o %t2.bc
+; RUN: llvm-lto -thinlto -o %t3 %t1.bc %t2.bc
+; RUN: llvm-link -import=bar:%t2.bc %t1.bc -functionindex=%t3.thinlto.bc -S | FileCheck %s
+
+; CHECK: define linkonce_odr hidden void @foo() {
+define available_externally hidden void @foo() {
+    ret void
+}
+
+declare void @bar()
+
+define void @caller() {
+  call void @bar()
+  call void @foo()
+  ret void
+}