GLSL const arrays are allowed in OpenGL ES 3.0

Change-Id: I54161aaeaa29fe26c246c61f2e27ccda5ef4a5f1
Reviewed-on: https://swiftshader-review.googlesource.com/8234
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>

src/OpenGL/compiler/ParseHelper.cpp

diff --git a/src/OpenGL/compiler/ParseHelper.cpp b/src/OpenGL/compiler/ParseHelper.cpp
index 37d4eed..7bd7e64 100644
--- a/src/OpenGL/compiler/ParseHelper.cpp
+++ b/src/OpenGL/compiler/ParseHelper.cpp
@@ -816,7 +816,7 @@
 //
 bool TParseContext::arrayQualifierErrorCheck(const TSourceLoc &line, TPublicType type)
 {
-	if ((type.qualifier == EvqAttribute) || (type.qualifier == EvqVertexIn) || (type.qualifier == EvqConstExpr)) {
+	if ((type.qualifier == EvqAttribute) || (type.qualifier == EvqVertexIn) || (type.qualifier == EvqConstExpr && mShaderVersion < 300)) {
 		error(line, "cannot declare arrays of this qualifier", TType(type).getCompleteString().c_str());
 		return true;
 	}