RFR: 8313576: GCC 7 reports compiler warning in bundled freetype 2.13.0

[Sergey Bylokhov]

On Wed, 2 Aug 2023 18:21:00 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> One warning is disabled for the freetype.
>
> make/modules/java.desktop/lib/Awt2dLibraries.gmk line 456:
> 
>> 454:       EXTRA_HEADER_DIRS := $(BUILD_LIBFREETYPE_HEADER_DIRS), \
>> 455:       DISABLED_WARNINGS_microsoft := 4267 4244 4996, \
>> 456:       DISABLED_WARNINGS_gcc := maybe-uninitialized dangling-pointer stringop-overflow, \
> 
> Is the warning in the widely-used header file? If not, can we disable the warning for the specific compilation units only?  Something like:
> 
> 
> DISABLED_WARNINGS_gcc_ftobjs.c := maybe-uninitialized

yes that is possible

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PR Review Comment: https://git.openjdk.org/jdk/pull/15116#discussion_r1282274689