Ping. On Fri, May 15, 2015 at 10:31 AM, Hubert Tong < [email protected]> wrote:
> Hi rsmith, fraggamuffin, > > This modifies Clang to reflect that under pre-C99 ISO C, decimal > constants may have type `unsigned long` even if they do not contain `u` > or `U` in their suffix (C90 subclause 6.1.3.2 paragraph 5). The same is > done for C++ without C++11 which--because of undefined behaviour--allows > for behaviour compatible with ISO C90 in the case of an unsuffixed > decimal literal and is otherwise identical to C90 in its treatment of > integer literals (C++03 subclause 2.13.1 [lex.icon] paragraph 2). > > A message is added alongside `ext_integer_literal_too_large_for_signed` > to the `implicitly-unsigned-literal` group to warn on this additional > cause of implicitly unsigned literals. > > Fixes PR 16678. > > http://reviews.llvm.org/D9794 > > Files: > include/clang/Basic/DiagnosticCommonKinds.td > include/clang/Basic/DiagnosticGroups.td > lib/Sema/SemaExpr.cpp > test/Sema/PR16678new32.c > test/Sema/PR16678new32.cpp > test/Sema/PR16678new64.c > test/Sema/PR16678new64.cpp > test/Sema/PR16678old32.c > test/Sema/PR16678old32.cpp > test/Sema/PR16678old64.c > test/Sema/PR16678old64.cpp > > EMAIL PREFERENCES > http://reviews.llvm.org/settings/panel/emailpreferences/ >
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