error: patch failed: stdio-common/tst-ungetc.c:48
error: stdio-common/tst-ungetc.c: patch does not apply
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Applying: ungetc: Fix uninitialized read when putting into unused streams [BZ #27821]
Patch failed at 0001 ungetc: Fix uninitialized read when putting into unused streams [BZ #27821]