Нечаянно сломал Си-компилятор

[vak]

Обнаружил код, на котором крэшится компилятор clang.

struct {
    unsigned   : 2;
    unsigned a : 6;
    unsigned   : 1;
    unsigned b : 6;
    unsigned   : 2;
    unsigned c : 6;
    unsigned d : 1;
    unsigned e : 2;
} data = {
    .e = 1,
    .c = 1,
    .a = 1,
};

Устойчиво валится с вот такой диагностикой:

$ clang -c code.cpp 
clang: error: unable to execute command: Segmentation fault: 11
clang: error: clang frontend command failed due to signal (use -v to see invocation)
Apple clang version 14.0.3 (clang-1403.0.22.14.1)
Target: arm64-apple-darwin22.4.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /var/folders/8l/gxp7qhcn32xgfkdm22_gjnkh0000gn/T/code-224576.cpp
clang: note: diagnostic msg: /var/folders/8l/gxp7qhcn32xgfkdm22_gjnkh0000gn/T/code-224576.sh
clang: note: diagnostic msg: Crash backtrace is located in
clang: note: diagnostic msg: /Users/vak/Library/Logs/DiagnosticReports/clang_<yyyy-mm-dd-hhmmss>_<hostname>.crash
clang: note: diagnostic msg: (choose the .crash file that corresponds to your crash)
clang: note: diagnostic msg: 

********************

Версия clang-9 работает. Версии clang-12, clang-14 и clang-16 падают. Отправил bug report в Эппл, посмотрим, как среагируют.