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from f446d90fe6 x86: Add `Avoid_STOSB` tunable to allow NT memset without ERMS new 3f7df7e757 Make tst-ungetc use libsupport new cdf0f88f97 ungetc: Fix uninitialized read when putting into unused stre [...] new 3e1d8d1d1d ungetc: Fix backup buffer leak on program exit [BZ #27821]

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Summary of changes: libio/genops.c | 8 +- libio/libioP.h | 4 +- manual/stdio.texi | 8 +- stdio-common/Makefile | 7 ++ .../tst-ungetc-leak.c | 15 +-- stdio-common/tst-ungetc.c | 114 +++++++++++---------- 6 files changed, 83 insertions(+), 73 deletions(-) copy debug/tst-realpath-chk.c => stdio-common/tst-ungetc-leak.c (80%)