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Commitc8fb7d7e48("kconfig: fix broken dependency in randconfig- generated .config") fixed the issue, but I did not add a test case. This commit adds a test case that emulates the reported situation. The test would fail withoutc8fb7d7e48. To handle the choice "choose X", FOO must be calculated beforehand. FOO depends on A, which is a member of another choice "choose A or B". Kconfig _temporarily_ assumes the value of A to proceed. The choice "choose A or B" will be shuffled later, but the result may or may not meet "FOO depends on A". Kconfig should invalidate the symbol values and recompute them. In the real example for ARCH=arm64, the choice "Instrumentation type" needs the value of CPU_BIG_ENDIAN. The choice "Endianness" will be shuffled later. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.