PP: don't give errors on some tokens under #if 0 (or similar).
Fixes #1295.
Tokens that are accepted by any version of HLSL or GLSL should be
allowed when #ifdef'd off, such that errors are not reported.
diff --git a/gtests/AST.FromFile.cpp b/gtests/AST.FromFile.cpp
index fea7586..061c86c 100644
--- a/gtests/AST.FromFile.cpp
+++ b/gtests/AST.FromFile.cpp
@@ -99,6 +99,7 @@
"cppComplexExpr.vert",
"cppDeepNest.frag",
"cppPassMacroName.frag",
+ "cppRelaxSkipTokensErrors.vert",
"badChars.frag",
"pointCoord.frag",
"array.frag",