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Author SHA1 Message Date
Justin Bogner 4f42fc4e1d Sema: Handle C11 atomics when diagnosing out of range comparisons 
This fixes a couple of asserts when analyzing comparisons involving
C11 atomics that were uncovered by r205608 when we extended the
applicability of -Wtautological-constant-out-of-range-compare.

llvm-svn: 213573
 2014-07-21 18:01:53 +00:00
Eli Friedman e6d3395d78 Fix Sema for compares with _Atomic vars. 
Use UsualArithmeticConversions unconditionally in analysis of
comparisons and conditional operators: the method performs
the usual arithmetic conversions if both sides are arithmetic, and
usual unary conversions if they are not.  This is just a cleanup
for conditional operators; for comparisons, it fixes the issue that
we would try to check isArithmetic() on an atomic type.

Also, fix GetExprRange() in SemaChecking.cpp so it deals with variables
of atomic type correctly.

Fixes PR15537.

llvm-svn: 185857
 2013-07-08 20:20:06 +00:00
Douglas Gregor 8997dac30a Fix handling of atomic shift operations, from Serge Pavlov. 
llvm-svn: 179600
 2013-04-16 15:41:08 +00:00