[all-commits] [llvm/llvm-project] 34b0a6: [clang-repl] Avoid use `$LD_LIBRARY_PATH` in lit t...

[Yihan Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 34b0a6e6d863a6f91698b435c72e69fcfebf13f2
      https://github.com/llvm/llvm-project/commit/34b0a6e6d863a6f91698b435c72e69fcfebf13f2
  Author: Yihan Wang <yronglin777 at gmail.com>
  Date:   2026-07-09 (Thu, 09 Jul 2026)

  Changed paths:
    M clang/test/Interpreter/cxx20-modules.cppm
    M clang/test/Interpreter/dynamic-library.cpp
    M clang/test/Interpreter/lit.local.cfg

  Log Message:
  -----------
  [clang-repl] Avoid use `$LD_LIBRARY_PATH` in lit tests (#208170)

Strengthen clang-repl lit tests by Avoid use `$LD_LIBRARY_PATH`. The
lit's internal shell does not expand shell variables such as
`$LD_LIBRARY_PATH`, so provide the current value as a lit substitution.

This PR can fix the following failures when user build llvm with
non-system C++ standard library.
```
# executed command: env 'LD_LIBRARY_PATH=<build dir>/tools/clang/test/Interpreter/Output/cxx20-modules.cppm.tmp:$LD_LIBRARY_PATH' <build dir>/bin/clang-repl -Xcc=-std=c++20 -Xcc=-fmodule-file=M=<build dir>/tools/clang/test/Interpreter/Output/cxx20-modules.cppm.tmp/mod.pcm -Xcc=--target=x86_64-linux-gnu
# .---command stderr------------
# | <build dir>/bin/clang-repl: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by <build dir>/bin/clang-repl)
# | <build dir>/bin/clang-repl: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.29' not found (required by <build dir>/bin/clang-repl)
# | <build dir>/bin/clang-repl: /lib64/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by <build dir>/bin/clang-repl)
# | <build dir>/bin/clang-repl: /lib64/libstdc++.so.6: version `CXXABI_1.3.13' not found (required by <build dir>/bin/clang-repl)
# `-----------------------------
```

Signed-off-by: yronglin <yronglin777 at gmail.com>



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