Fix bug where bracket dereferences were incorrectly keeping the base's qualifier (for example constBase[i] would still be a const instead of EvqTemporary).

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23722 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/420.geom

@@ -1,4 +1,4 @@
-#version 150 core
+#version 420 core
 
 // testing input arrays without a gl_in[] block redeclaration, see 400.geom for with
 
@@ -21,3 +21,25 @@ void foo3()
     gl_in[i].gl_Position;
     color3.length();
 }
+
+uniform sampler2D s2D;
+in vec2 coord;
+uniform vec4 v4;
+
+void foo4()
+{
+    const ivec2 offsets[5] =
+    {
+        ivec2(0,1),
+        ivec2(1,-2),
+        ivec2(0,3),
+        ivec2(-3,0),
+        ivec2(2,1)
+    };
+
+    vec4 v = textureGatherOffset(s2D, coord, offsets[i].xy);
+
+    offsets[i].xy = ivec2(3);  // ERROR
+    v4.x = 3.2;                // ERROR
+    v4.xy;   // should have non-uniform type
+}