Remove some potential warnings about variables used uninitialized.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155307 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/YAMLParser.cpp b/lib/Support/YAMLParser.cpp
index 9b5896d..c66c755 100644
--- a/lib/Support/YAMLParser.cpp
+++ b/lib/Support/YAMLParser.cpp
@@ -1732,7 +1732,7 @@
           if (UnquotedValue.size() < 3)
             // TODO: Report error.
             break;
-          unsigned int UnicodeScalarValue;
+          unsigned int UnicodeScalarValue = 0;
           UnquotedValue.substr(1, 2).getAsInteger(16, UnicodeScalarValue);
           encodeUTF8(UnicodeScalarValue, Storage);
           UnquotedValue = UnquotedValue.substr(2);
@@ -1742,7 +1742,7 @@
           if (UnquotedValue.size() < 5)
             // TODO: Report error.
             break;
-          unsigned int UnicodeScalarValue;
+          unsigned int UnicodeScalarValue = 0;
           UnquotedValue.substr(1, 4).getAsInteger(16, UnicodeScalarValue);
           encodeUTF8(UnicodeScalarValue, Storage);
           UnquotedValue = UnquotedValue.substr(4);
@@ -1752,7 +1752,7 @@
           if (UnquotedValue.size() < 9)
             // TODO: Report error.
             break;
-          unsigned int UnicodeScalarValue;
+          unsigned int UnicodeScalarValue = 0;
           UnquotedValue.substr(1, 8).getAsInteger(16, UnicodeScalarValue);
           encodeUTF8(UnicodeScalarValue, Storage);
           UnquotedValue = UnquotedValue.substr(8);
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
index 27954b1..4ed2be0 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
@@ -194,7 +194,7 @@
 
   assert (Kind == MCExpr::SymbolRef);
     
-  Mips::Fixups FixupKind;
+  Mips::Fixups FixupKind = Mips::Fixups(0);
 
   switch(cast<MCSymbolRefExpr>(Expr)->getKind()) {
   case MCSymbolRefExpr::VK_Mips_GPREL: