Track what ins/outs/uniforms are used, so that errors like "declare after use" or "can't use both XXX and YYY" can be issued. So far, used this for invariant, gl_FragColor et. al., and gl_FragCoord use before redeclaration.

Also made all tests in testlist include linker tests.


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24156 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/baseResults/simpleFunctionCall.frag.out

@@ -1,5 +1,7 @@
+../../LunarGLASS/test/simpleFunctionCall.frag
 Warning, version 150 is not yet complete; some version-specific features are present, but many are missing.
 WARNING: 0:4: varying deprecated in version 130; may be removed in future release
+
 0:? Sequence
 0:7  Function Definition: foo( (4-component vector of float)
 0:7    Function Parameters: 
@@ -17,3 +19,8 @@ WARNING: 0:4: varying deprecated in version 130; may be removed in future releas
 0:?     'BaseColor' (smooth in 4-component vector of float)
 0:?     'd' (uniform float)
 
+
+Linked fragment stage:
+
+
+