diff --git a/glslang/Include/revision.h b/glslang/Include/revision.h
index dcd52607..eafb8f61 100644
--- a/glslang/Include/revision.h
+++ b/glslang/Include/revision.h
@@ -1,3 +1,3 @@
 // This header is generated by the make-revision script.
 
-#define GLSLANG_PATCH_LEVEL 2997
+#define GLSLANG_PATCH_LEVEL 3006
diff --git a/glslang/MachineIndependent/Constant.cpp b/glslang/MachineIndependent/Constant.cpp
old mode 100644
new mode 100755
index 2c5aea8e..8d4987b7
--- a/glslang/MachineIndependent/Constant.cpp
+++ b/glslang/MachineIndependent/Constant.cpp
@@ -671,27 +671,27 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TType& returnType)
         }
 
         case EOpConvInt8ToBool:
-            newConstArray[i].setBConst(unionArray[i].getI8Const()); break;
+            newConstArray[i].setBConst(unionArray[i].getI8Const() != 0); break;
         case EOpConvUint8ToBool:
-            newConstArray[i].setBConst(unionArray[i].getU8Const()); break;
+            newConstArray[i].setBConst(unionArray[i].getU8Const() != 0); break;
         case EOpConvInt16ToBool:
-            newConstArray[i].setBConst(unionArray[i].getI16Const()); break;
+            newConstArray[i].setBConst(unionArray[i].getI16Const() != 0); break;
         case EOpConvUint16ToBool:
-            newConstArray[i].setBConst(unionArray[i].getU16Const()); break;
+            newConstArray[i].setBConst(unionArray[i].getU16Const() != 0); break;
         case EOpConvIntToBool:
-            newConstArray[i].setBConst(unionArray[i].getIConst()); break;
+            newConstArray[i].setBConst(unionArray[i].getIConst() != 0); break;
         case EOpConvUintToBool:
-            newConstArray[i].setBConst(unionArray[i].getUConst()); break;
+            newConstArray[i].setBConst(unionArray[i].getUConst() != 0); break;
         case EOpConvInt64ToBool:
-            newConstArray[i].setBConst(unionArray[i].getI64Const()); break;
+            newConstArray[i].setBConst(unionArray[i].getI64Const() != 0); break;
         case EOpConvUint64ToBool:
-            newConstArray[i].setBConst(unionArray[i].getI64Const()); break;
+            newConstArray[i].setBConst(unionArray[i].getI64Const() != 0); break;
         case EOpConvFloat16ToBool:
-            newConstArray[i].setBConst(unionArray[i].getDConst()); break;
+            newConstArray[i].setBConst(unionArray[i].getDConst() != 0); break;
         case EOpConvFloatToBool:
-            newConstArray[i].setBConst(unionArray[i].getDConst()); break;
+            newConstArray[i].setBConst(unionArray[i].getDConst() != 0); break;
         case EOpConvDoubleToBool:
-            newConstArray[i].setBConst(unionArray[i].getDConst()); break;
+            newConstArray[i].setBConst(unionArray[i].getDConst() != 0); break;
 
         case EOpConvBoolToInt8:
             newConstArray[i].setI8Const(unionArray[i].getBConst()); break;