[PATCH v4] Fix -Os related build and test failures.

[Andreas Schwab]

https://build.opensuse.org/project/monitor/home:Andreas_Schwab:glibc

In file included from strxfrm_l.c:48:0:
../locale/weight.h: In function ‘findidx’:
../locale/weight.h:69:4: error: ‘DIAG_PUSH_NEEDS_COMMENT’ undeclared (first use in this function)
    DIAG_PUSH_NEEDS_COMMENT;
    ^~~~~~~~~~~~~~~~~~~~~~~
../locale/weight.h:69:4: note: each undeclared identifier is reported only once for each function it appears in
../locale/weight.h:70:4: error: implicit declaration of function ‘DIAG_IGNORE_Os_NEEDS_COMMENT’ [-Werror=implicit-function-declaration]
    DIAG_IGNORE_Os_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../locale/weight.h:74:4: error: ‘DIAG_POP_NEEDS_COMMENT’ undeclared (first use in this function)
    DIAG_POP_NEEDS_COMMENT;
    ^~~~~~~~~~~~~~~~~~~~~~

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."