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/constFold.frag.out

@@ -1,3 +1,4 @@
+constFold.frag
 Warning, version 430 is not yet complete; some version-specific features are present, but many are missing.
 ERROR: 0:109: '[' :  index out of range '-1'
 ERROR: 0:110: '[' :  vector index out of range '4'
@@ -7,6 +8,7 @@ ERROR: 0:113: '[' :  vector index out of range '3'
 ERROR: 0:114: '[' :  matrix index out of range '3'
 ERROR: 6 compilation errors.  No code generated.
 
+
 ERROR: node is still EOpNull!
 0:28  Function Definition: main( (void)
 0:28    Function Parameters: 
@@ -303,3 +305,8 @@ ERROR: node is still EOpNull!
 0:?       5.000000
 0:?     'a4' (2-element array of float)
 
+
+Linked fragment stage:
+
+
+