diff --git a/lib/IR/GCOV.cpp b/lib/IR/GCOV.cpp
index 8a3fb47bf17a..84a7d63d6124 100644
--- a/lib/IR/GCOV.cpp
+++ b/lib/IR/GCOV.cpp
@@ -85,7 +85,7 @@ GCOVFunction::~GCOVFunction() {
   DeleteContainerPointers(Blocks);
 }
 
-/// read - Read a aunction from the buffer. Return false if buffer cursor
+/// read - Read a function from the buffer. Return false if buffer cursor
 /// does not point to a function tag.
 bool GCOVFunction::read(GCOVBuffer &Buff, GCOV::GCOVFormat Format) {
   if (!Buff.readFunctionTag())
@@ -136,14 +136,14 @@ bool GCOVFunction::read(GCOVBuffer &Buff, GCOV::GCOVFormat Format) {
   // read line table.
   while (Buff.readLineTag()) {
     uint32_t LineTableLength = Buff.readInt();
-    uint32_t Size = Buff.getCursor() + LineTableLength*4;
+    uint32_t EndPos = Buff.getCursor() + LineTableLength*4;
     uint32_t BlockNo = Buff.readInt();
     assert(BlockNo < BlockCount && "Unexpected Block number!");
     GCOVBlock *Block = Blocks[BlockNo];
     Buff.readInt(); // flag
-    while (Buff.getCursor() != (Size - 4)) {
+    while (Buff.getCursor() != (EndPos - 4)) {
       StringRef Filename = Buff.readString();
-      if (Buff.getCursor() == (Size - 4)) break;
+      if (Buff.getCursor() == (EndPos - 4)) break;
       while (uint32_t L = Buff.readInt())
         Block->addLine(Filename, L);
     }