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This changes clang to match GCC's behavior for __extension__, which temporarily
disables the -pedantic flag. Warnings that are enabled without -pedantic
are not affected. Besides the general goodness of matching GCC's precedent,
my motivation for this is that macros in the arm_neon.h header need to use
__extension__ to avoid pedantic complaints about their use of statement
expressions, yet we still want to warn about incompatible pointer arguments
for those macros.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141804 91177308-0d34-0410-b5e6-96231b3b80d8
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- This is designed to make it obvious that %clang_cc1 is a "test variable"
which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
can be useful to redefine what gets run as 'clang -cc1' (for example, to set
a default target).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91446 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
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Bagnara with a fix from Enea Zaffanella!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80094 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76709 91177308-0d34-0410-b5e6-96231b3b80d8
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start of the declspec. The fixit still goes there, and we underline
the declspec. This helps when the start of the declspec came from a
macro that expanded from a system header. For example, we now produce:
t.c:2:8: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
static x;
~~~~~~ ^
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69777 91177308-0d34-0410-b5e6-96231b3b80d8
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int in a bitfield. Shantonu found this in a gcc testsuite file.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69074 91177308-0d34-0410-b5e6-96231b3b80d8
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Tests and drivers updated, still need to shuffle dirs.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67602 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65906 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65869 91177308-0d34-0410-b5e6-96231b3b80d8
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in C89 mode. This makes it enabled by default instead of only enabled with
-pedantic. Clang defaults to c99 mode, so people will see this more often
than with GCC, but they can always use -std=c89 if they really want c89.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65647 91177308-0d34-0410-b5e6-96231b3b80d8
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on test/Sema/implicit-int.c
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@39833 91177308-0d34-0410-b5e6-96231b3b80d8
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