diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index fcdab39c..ce4a5206 100644
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -1370,9 +1370,9 @@ spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& ty
                         builder.addMemberDecoration(spvType, member, spv::DecorationOffset, glslangType.getQualifier().layoutXfbOffset);
 
                     // built-in variable decorations
-                    int builtIn = TranslateBuiltInDecoration(glslangType.getQualifier().builtIn);
-                    if ((unsigned int)builtIn != spv::BadValue)
-                        builder.addMemberDecoration(spvType, member, spv::DecorationBuiltIn, builtIn);
+                    spv::BuiltIn builtIn = TranslateBuiltInDecoration(glslangType.getQualifier().builtIn);
+                    if (builtIn != spv::BadValue)
+                        builder.addMemberDecoration(spvType, member, spv::DecorationBuiltIn, (int)builtIn);
                 }
             }
 
@@ -2518,9 +2518,9 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
     }
 
     // built-in variable decorations
-    int builtIn = TranslateBuiltInDecoration(symbol->getQualifier().builtIn);
+    spv::BuiltIn builtIn = TranslateBuiltInDecoration(symbol->getQualifier().builtIn);
     if ((unsigned int)builtIn != spv::BadValue)
-        builder.addDecoration(id, spv::DecorationBuiltIn, builtIn);
+        builder.addDecoration(id, spv::DecorationBuiltIn, (int)builtIn);
 
     if (linkageOnly)
         builder.addDecoration(id, spv::DecorationNoStaticUse);
diff --git a/SPIRV/SpvBuilder.cpp b/SPIRV/SpvBuilder.cpp
index 474e78d7..8d6b4e84 100644
--- a/SPIRV/SpvBuilder.cpp
+++ b/SPIRV/SpvBuilder.cpp
@@ -1032,7 +1032,7 @@ Id Builder::createRvalueSwizzle(Id typeId, Id source, std::vector<unsigned>& cha
 // Comments in header
 Id Builder::createLvalueSwizzle(Id typeId, Id target, Id source, std::vector<unsigned>& channels)
 {
-    assert((size_t)getNumComponents(source) == channels.size());
+    assert(getNumComponents(source) == (int)channels.size());
     if (channels.size() == 1 && getNumComponents(source) == 1)
         return createCompositeInsert(source, target, typeId, channels.front());
 
@@ -1471,7 +1471,7 @@ Id Builder::createCompare(Decoration precision, Id value1, Id value2, bool equal
 // OpCompositeConstruct
 Id Builder::createCompositeConstruct(Id typeId, std::vector<Id>& constituents)
 {
-    assert((isAggregateType(typeId) || getNumTypeComponents(typeId) > 1) && (size_t)getNumTypeComponents(typeId) == constituents.size());
+    assert(isAggregateType(typeId) || (getNumTypeComponents(typeId) > 1 && getNumTypeComponents(typeId) == (int)constituents.size()));
 
     Instruction* op = new Instruction(getUniqueId(), typeId, OpCompositeConstruct);
     for (int c = 0; c < (int)constituents.size(); ++c)
diff --git a/glslang/Include/revision.h b/glslang/Include/revision.h
index 4cee7a8d..98ff8ed3 100644
--- a/glslang/Include/revision.h
+++ b/glslang/Include/revision.h
@@ -2,5 +2,5 @@
 // For the version, it uses the latest git tag followed by the number of commits.
 // For the date, it uses the current date (when then script is run).
 
-#define GLSLANG_REVISION "2.2.687"
-#define GLSLANG_DATE "03-Aug-2015"
+#define GLSLANG_REVISION "2.2.699"
+#define GLSLANG_DATE "06-Aug-2015"
diff --git a/glslang/MachineIndependent/Constant.cpp b/glslang/MachineIndependent/Constant.cpp
index b5982fa1..e64ee3df 100644
--- a/glslang/MachineIndependent/Constant.cpp
+++ b/glslang/MachineIndependent/Constant.cpp
@@ -172,7 +172,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TIntermTyped* const
             case EbtInt:
                 if (rightUnionArray[i] == 0)
                     newConstArray[i].setIConst(0x7FFFFFFF);
-                else if (rightUnionArray[i].getIConst() == -1 && (unsigned int)unionArray[i].getIConst() == 0x80000000)
+                else if (rightUnionArray[i].getIConst() == -1 && unionArray[i].getIConst() == 0x80000000)
                     newConstArray[i].setIConst(0x80000000);
                 else
                     newConstArray[i].setIConst(unionArray[i].getIConst() / rightUnionArray[i].getIConst());
diff --git a/glslang/MachineIndependent/Scan.h b/glslang/MachineIndependent/Scan.h
index 245d4897..936b99f1 100644
--- a/glslang/MachineIndependent/Scan.h
+++ b/glslang/MachineIndependent/Scan.h
@@ -172,7 +172,7 @@ protected:
     void advance()
     {
         ++currentChar;
-        if (currentChar >= static_cast<size_t>(lengths[currentSource])) {
+        if (currentChar >= lengths[currentSource]) {
             ++currentSource;
             if (currentSource < numSources) {
                 loc[currentSource].string = loc[currentSource - 1].string + 1;