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# adf66b61 26-Nov-2017 Aaron Ballman <aaron@aaronballman.com>

Determine the attribute subject for diagnostics based on declarative information in DeclNodes.td. This greatly reduces the number of enumerated values used for more complex diagnostics; these are now

Determine the attribute subject for diagnostics based on declarative information in DeclNodes.td. This greatly reduces the number of enumerated values used for more complex diagnostics; these are now only required when the "attribute only applies to" diagnostic needs to be generated manually as part of semantic processing.

This also clarifies some terminology used by the diagnostic (methods -> Objective-C methods, fields -> non-static data members, etc).

Many of the tests needed to be updated in multiple places for the diagnostic wording tweaks. The first instance of the diagnostic for that attribute is fully specified and subsequent instances cut off the complete list (to make it easier if additional subjects are added in the future for the attribute).

llvm-svn: 319002

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# 6a42b5a0 27-Nov-2013 Aaron Ballman <aaron@aaronballman.com>

Enabling the subject list for the warn_unused attribute, and adding a test case. Previously, would issue a "warning ignored" diagnostic instead of the more specific "only applies to."

llvm-svn: 1958

Enabling the subject list for the warn_unused attribute, and adding a test case. Previously, would issue a "warning ignored" diagnostic instead of the more specific "only applies to."

llvm-svn: 195851

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Revision tags: llvmorg-3.4.0-rc1
# edc13888 20-Jul-2013 Lubos Lunak <l.lunak@suse.cz>

add type attribute warn_unused, for -Wunused-variable warnings (pr#14253)

The functionality is equivalent to the GCC attribute. Variables of tagged
types will be warned about as unused if they are n

add type attribute warn_unused, for -Wunused-variable warnings (pr#14253)

The functionality is equivalent to the GCC attribute. Variables of tagged
types will be warned about as unused if they are not used in any way
except for possible (even non-trivial) ctors/dtors called. Useful for tagging
classes like std::string (which is not part of this commit).

llvm-svn: 186765

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