[compiler-rt] [compiler-rt] Propagate sysroot from CMake to msan tests (PR #132299)

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darker --check --diff -r 460c0f567cc83378d4aafd9fba95561bacf57fe4...5c8a61c216dba6fcb1a8b2da0a3d064a4ca8b4e4 compiler-rt/test/msan/lit.cfg.py
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``````````diff
--- lit.cfg.py	2025-03-20 22:56:13.000000 +0000
+++ lit.cfg.py	2025-03-20 23:06:10.166593 +0000
@@ -15,15 +15,13 @@
         "-mno-omit-leaf-frame-pointer",
         "-fno-omit-frame-pointer",
         "-fno-optimize-sibling-calls",
     ]
     + [config.target_cflags]
-    + [
-        "--sysroot",
-        config.cmake_sysroot
-    ] if config.cmake_sysroot and config.host_os == "Linux" else []
-    + config.debug_info_flags
+    + ["--sysroot", config.cmake_sysroot]
+    if config.cmake_sysroot and config.host_os == "Linux"
+    else [] + config.debug_info_flags
 )
 # Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD.
 if config.host_os == "FreeBSD":
     clang_msan_cflags += ["-lexecinfo", "-fPIC"]
 # On SystemZ we need -mbackchain to make the fast unwinder work.

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https://github.com/llvm/llvm-project/pull/132299