Fix PR4639, a ELF-TLS regression from some of my refactoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77336 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/global-sections-tls.ll b/test/CodeGen/X86/global-sections-tls.ll
new file mode 100644
index 0000000..a80cf32
--- /dev/null
+++ b/test/CodeGen/X86/global-sections-tls.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -mtriple=i386-unknown-linux-gnu | FileCheck %s -check-prefix=LINUX
+
+; PR4639
+@G1 = internal thread_local global i32 0		; <i32*> [#uses=1]
+; LINUX: .section		.tbss,"awT",@nobits
+; LINUX: G1:
+
+
+define i32* @foo() nounwind readnone {
+entry:
+	ret i32* @G1
+}
+
+