Warn about uses of #pragma STDC FENV_ACCESS ON, since we don't 
support it.  I don't know what evaluation method we use for complex
arithmetic, so I don't know whether/if we should warn about use of
CX_LIMITED_RANGE.

This concludes my planned hacking on STDC pragmas, flame away :)


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69556 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/pragma_unknown.c b/test/Preprocessor/pragma_unknown.c
index d2738e5..16bf43b 100644
--- a/test/Preprocessor/pragma_unknown.c
+++ b/test/Preprocessor/pragma_unknown.c
@@ -10,7 +10,7 @@
 #pragma STDC FP_CONTRACT DEFAULT
 #pragma STDC FP_CONTRACT IN_BETWEEN  // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
 
-#pragma STDC FENV_ACCESS ON
+#pragma STDC FENV_ACCESS ON          // expected-warning {{pragma STDC FENV_ACCESS ON is not supported, ignoring pragma}}
 #pragma STDC FENV_ACCESS OFF
 #pragma STDC FENV_ACCESS DEFAULT
 #pragma STDC FENV_ACCESS IN_BETWEEN   // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}