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Author SHA1 Message Date
Chandler Carruth a7689efa25 Diagnose uninitialized uses of a variable within its own initializer. 
This is basically the same idea as the warning on uninitialized uses of
fields within an initializer list. As such, it is on by default and
under -Wuninitialized.

Original patch by Richard Trieu, with some massaging from me on the
wording and grouping of the diagnostics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128376 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 09:46:56 +00:00
Ted Kremenek fd6b874f3a Merge -Wuninitialized-experimental into -Wuninitialized. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124279 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 04:49:48 +00:00
Argyrios Kyrtzidis ee933e1cc2 Handle locations coming from macro instantiations properly in SourceManager::isBeforeInTranslationUnit(). 
Fixes rdar://8790245 and http://llvm.org/PR8821.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122536 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-24 02:53:53 +00:00
Argyrios Kyrtzidis 0827408865 Fix diagnostic pragmas. 
Diagnostic pragmas are broken because we don't keep track of the diagnostic state changes and we only check the current/latest state.
Problems manifest if a diagnostic is emitted for a source line that has different diagnostic state than the current state; this can affect
a lot of places, like C++ inline methods, template instantiations, the lexer, etc.

Fix the issue by having the Diagnostic object keep track of the source location of the pragmas so that it is able to know what is the diagnostic state at any given source location.

Fixes rdar://8365684.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121873 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 18:44:22 +00:00