[libcxx-commits] [libcxx] [libc++][format] P3142R0: Printing Blank Lines with `println` (PR #87277)

[Vladimir Vereschaka via libcxx-commits]

vvereschaka wrote:

@H-G-Hristov ,

the `llvm-libc++-static.cfg.in::println.blank_line.sh.cpp` test gets failed on the windows to linux cross builders with the following messages
```
diff -u C:\buildbot\as-builder-1\x-armv7l\build\runtimes\runtimes-armv7-unknown-linux-gnueabihf-bins\test\std\input.output\iostream.format\print.fun\Output\println.blank_line.sh.cpp.dir\t.tmp.actual C:\buildbot\as-builder-1\x-armv7l\build\runtimes\runtimes-armv7-unknown-linux-gnueabihf-bins\test\std\input.output\iostream.format\print.fun\Output\println.blank_line.sh.cpp.dir\t.tmp.expected
# executed command: diff -u 'C:\buildbot\as-builder-1\x-armv7l\build\runtimes\runtimes-armv7-unknown-linux-gnueabihf-bins\test\std\input.output\iostream.format\print.fun\Output\println.blank_line.sh.cpp.dir\t.tmp.actual' 'C:\buildbot\as-builder-1\x-armv7l\build\runtimes\runtimes-armv7-unknown-linux-gnueabihf-bins\test\std\input.output\iostream.format\print.fun\Output\println.blank_line.sh.cpp.dir\t.tmp.expected'
# .---command stdout------------
# | --- C:\buildbot\as-builder-1\x-armv7l\build\runtimes\runtimes-armv7-unknown-linux-gnueabihf-bins\test\std\input.output\iostream.format\print.fun\Output\println.blank_line.sh.cpp.dir\t.tmp.actual
# | +++ C:\buildbot\as-builder-1\x-armv7l\build\runtimes\runtimes-armv7-unknown-linux-gnueabihf-bins\test\std\input.output\iostream.format\print.fun\Output\println.blank_line.sh.cpp.dir\t.tmp.expected
# | @@ -1 +1 @@
# | -
# | +n
# `-----------------------------
# error: command failed with exit status: 1
```
* https://lab.llvm.org/buildbot/#/builders/60/builds/16712
* https://lab.llvm.org/buildbot/#/builders/119/builds/17020

would you take care of it?

https://github.com/llvm/llvm-project/pull/87277