Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index f682721..3e9d02e 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -15,7 +15,8 @@
 #include <cstdlib>
 using namespace llvm;
 
-MCStreamer::MCStreamer(MCContext &Ctx) : Context(Ctx), CurSection(0) {
+MCStreamer::MCStreamer(MCContext &Ctx) : Context(Ctx), CurSection(0),
+                                         PrevSection(0) {
 }
 
 MCStreamer::~MCStreamer() {