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Author SHA1 Message Date
Matt Beaumont-Gay dcaacaa190 Fix a QoI bug with overloaded operators inside macros. 
We were failing to set source locations and ranges in isUnusedResultAWarning
for CXXOperatorCallExprs, leading to an "expression result unused" warning
with absolutely no context if the expression was inside a macro.

llvm-svn: 140036
 2011-09-19 18:51:20 +00:00
John McCall c493a73240 Improve the unused-value check to look into comma expressions and filter out 
voids in sub-expressions.  Patch by Mike M!

Fixes PR4806.

llvm-svn: 98335
 2010-03-12 07:11:26 +00:00