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This renames the -Wformat-non-standard flag to -Wformat-non-iso,
rewords the current warnings a bit (pointing out that a format string
is not supported by ISO C rather than being "non standard"),
and adds a warning about positional arguments.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152403 91177308-0d34-0410-b5e6-96231b3b80d8
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This adds the -Wformat-non-standard flag (off by default,
enabled by -pedantic), which warns about non-standard
things in format strings (such as the 'q' length modifier,
the 'S' conversion specifier, etc.)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151154 91177308-0d34-0410-b5e6-96231b3b80d8
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warn if the format string argument is a parameter that is not itself declared as a format string with compatible format.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151080 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150276 91177308-0d34-0410-b5e6-96231b3b80d8
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Fixes <rdar://problem/8269537>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150260 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149998 91177308-0d34-0410-b5e6-96231b3b80d8
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This fixes the case where Clang would output:
error: format specifies type 'wchar_t *' (aka 'wchar_t *')
ArgTypeResult::getRepresentativeTypeName needs to take into account
that wchar_t can be a built-in type (as opposed to in C, where it is a
typedef).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149387 91177308-0d34-0410-b5e6-96231b3b80d8
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It should not be supported in C++11, since that uses the C99 standard
library, in which 'a' is a format specifier.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147310 91177308-0d34-0410-b5e6-96231b3b80d8
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