Misc semantics fixes:

- don't allow pre-array object versions to return a struct containing an array 
 - special case -2147483648 / -1
 - include "~" in the full integer functionality checks
 - handle multiple function parameters having the same name



git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24010 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/array100.frag

@@ -39,3 +39,31 @@ void main()
     gl_FragData[-1] = vec4(1.0);   // ERROR
     gl_FragData[3] = vec4(1.0);
 }
+
+struct SA {
+    vec3 v3;
+    vec2 v2[4];
+};
+
+struct SB {
+    vec4 v4;
+    SA sa;
+};
+
+SB bar9()
+{
+    SB s;
+    return s;  // ERROR
+}
+
+void bar10(SB s)  // okay
+{
+}
+
+void bar11()
+{
+    SB s1, s2;
+    s1 = s2;   // ERROR
+    bar10(s1);
+    s2 = bar9(); // ERROR
+}