HLSL: Fix boolean conversion bug and add more tests for ?:.

Test/hlsl.conditional.frag

@@ -7,7 +7,13 @@ float f;
 float4 vectorCond()
 {
     return (c4 ? t4 : f4) +
-           (c4 ? t  : f );
+           (c4 ? t  : f ) +
+           (t4 < f4 ? t4 : f4);
+}
+
+float2 fbSelect(bool2 cnd, float2 src0, float2 src1)
+{
+    return cnd ? src0 : src1;
 }
 
 float4 PixelShaderFunction(float4 input) : COLOR0
@@ -24,5 +30,6 @@ float4 PixelShaderFunction(float4 input) : COLOR0
     e = a = b ? c = d : 10, b = a ? d = c : 11;
     float4 f;
     f = ret.x < input.y ? c * input : d * input;
-    return e * ret + f + vectorCond();
+    return e * ret + f + vectorCond() + 
+           float4(fbSelect(bool2(true, false), float2(1.0, 2.0), float2(3.0, 4.0)), 10.0, 10.0);
 }

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.1992"
+#define GLSLANG_REVISION "Overload400-PrecQual.1994"
 #define GLSLANG_DATE "11-Apr-2017"

hlsl/hlslParseHelper.cpp

@@ -4536,7 +4536,7 @@ TIntermTyped* HlslParseContext::convertConditionalExpression(const TSourceLoc& l
         return nullptr;
     }
 
-    return intermediate.addConversion(EOpConstructBool, TType(EbtBool), condition);
+    return intermediate.addConversion(EOpConstructBool, TType(EbtBool, EvqTemporary, condition->getVectorSize()), condition);
 }
 
 //