TextureOffset not support sampler2DArrayShadow sampler until 430.

Test/baseResults/textureoffset_sampler2darrayshadow.vert.out

+textureoffset_sampler2darrayshadow.vert
+ERROR: 0:9: 'sampler' : TextureOffset not support the sampler2DArrayShadow :  version <= 420
+ERROR: 0:9: '' : compilation terminated
+ERROR: 2 compilation errors.  No code generated

Test/textureoffset_sampler2darrayshadow.vert

+#version 300 es
+precision mediump float;
+in highp vec4 dEQP_Position;
+
+uniform mediump sampler2DArrayShadow s;
+
+void main()
+{
+	gl_Position = vec4(textureOffset(s, vec4(0), ivec2(0)));
+	gl_Position = dEQP_Position;
+}

glslang/Include/Types.h

@@ -115,6 +115,7 @@ struct TSampler {   // misnomer now; includes images, textures without sampler,
 #endif
 
     bool is1D()          const { return dim == Esd1D; }
+    bool is2D()          const { return dim == Esd2D; }
     bool isBuffer()      const { return dim == EsdBuffer; }
     bool isRect()        const { return dim == EsdRect; }
     bool isSubpass()     const { return dim == EsdSubpass; }

glslang/MachineIndependent/ParseHelper.cpp

@@ -2191,6 +2191,16 @@ void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCan
                               "[gl_MinProgramTexelOffset, gl_MaxProgramTexelOffset]");
                 }
             }
+
+            if (callNode.getOp() == EOpTextureOffset) {
+                TSampler s = arg0->getType().getSampler();
+                if (s.is2D() && s.isArrayed() && s.isShadow()) {
+                    if (isEsProfile())
+                        error(loc, "TextureOffset does not support sampler2DArrayShadow : ", "sampler", "ES Profile");
+                    else if (version <= 420)
+                        error(loc, "TextureOffset does not support sampler2DArrayShadow : ", "sampler", "version <= 420");
+                }
+            }
         }
 
         break;