HLSL: Handle swizzles on vectors of size 1. Addresses issue #453.

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 "Overload400-PrecQual.1464"
+#define GLSLANG_REVISION "Overload400-PrecQual.1465"
 #define GLSLANG_DATE "02-Sep-2016"

glslang/MachineIndependent/Intermediate.cpp

@@ -274,7 +274,8 @@ TIntermTyped* TIntermediate::addUnaryMath(TOperator op, TIntermTyped* child, TSo
     if (newType != EbtVoid) {
         child = addConversion(op, TType(newType, EvqTemporary, child->getVectorSize(),
                                                                child->getMatrixCols(),
-                                                               child->getMatrixRows()),
+                                                               child->getMatrixRows(),
+                                                               child->isVector()),
                               child);
         if (child == 0)
             return 0;