2 Commits

Author	SHA1	Message	Date
Aaron Ballman	6c93b3e29c	Adding a -Wunused-value warning for expressions with side effects used in an unevaluated expression context, such as sizeof(), or decltype(). Also adds a similar warning when the expression passed to typeid() *is* evaluated, since it is equally likely that the user would expect the expression operand to be unevaluated in that case. ... llvm-svn: 224465	2014-12-17 21:57:17 +00:00
Aaron Ballman	78ecb8737d	No longer emit diagnostics about unused results (comparisons, etc) from unevaluated contexts. Fixes PR18571. ... llvm-svn: 219954	2014-10-16 20:13:28 +00:00