[cfe-commits] r69564 - /cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td

[Eli Friedman]

Author: efriedma
Date: Sun Apr 19 20:56:54 2009
New Revision: 69564

URL: http://llvm.org/viewvc/llvm-project?rev=69564&view=rev
Log:
Hook up -Wunused-value to the unused expression warning.  This is 
useful for macro-heavy codebases that tend to trigger this warning a 
lot.

Note that a make clean is required to get the option working; the 
dependencies for DiagnosticGroups.inc appear to be broken.


Modified:
    cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td

Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=69564&r1=69563&r2=69564&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Sun Apr 19 20:56:54 2009
@@ -1289,7 +1289,8 @@
   "'__builtin_choose_expr' requires a constant expression">;
 def ext_typecheck_expression_not_constant_but_accepted : Extension<
   "expression is not a constant, but is accepted as one by GNU extensions">;
-def warn_unused_expr : Warning<"expression result unused">;
+def warn_unused_expr : Warning<"expression result unused">,
+  InGroup<UnusedValue>;
 
 // inline asm.
 def err_asm_wide_character : Error<"wide string is invalid in 'asm'">;