[compiler-rt] [sanitizer][test] Unify LD_LIBRARY_PATH handling (PR #111498)

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``````````bash
darker --check --diff -r a3a253d3c7780977077dd46493917b1949c0166d...2f35de6675746ac94e742e0925f61ffd20abe500 compiler-rt/test/lit.common.cfg.py
``````````

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``````````diff
--- lit.common.cfg.py	2024-10-08 08:20:42.000000 +0000
+++ lit.common.cfg.py	2024-10-08 08:25:19.371346 +0000
@@ -163,18 +163,26 @@
 # config.compiler_rt_libdir (COMPILER_RT_RESOLVED_LIBRARY_OUTPUT_DIR) has the
 # host triple as the trailing path component. The value is incorrect for 32-bit
 # tests on 64-bit hosts and vice versa. Adjust config.compiler_rt_libdir
 # accordingly.
 if config.enable_per_target_runtime_dir:
-    if config.target_arch == 'i386':
-        config.compiler_rt_libdir = re.sub(r'/x86_64(?=-[^/]+$)', '/i386', config.compiler_rt_libdir)
-    elif config.target_arch == 'x86_64':
-        config.compiler_rt_libdir = re.sub(r'/i386(?=-[^/]+$)', '/x86_64', config.compiler_rt_libdir)
-    if config.target_arch == 'sparc':
-        config.compiler_rt_libdir = re.sub(r'/sparcv9(?=-[^/]+$)', '/sparc', config.compiler_rt_libdir)
-    elif config.target_arch == 'sparcv9':
-        config.compiler_rt_libdir = re.sub(r'/sparc(?=-[^/]+$)', '/sparcv9', config.compiler_rt_libdir)
+    if config.target_arch == "i386":
+        config.compiler_rt_libdir = re.sub(
+            r"/x86_64(?=-[^/]+$)", "/i386", config.compiler_rt_libdir
+        )
+    elif config.target_arch == "x86_64":
+        config.compiler_rt_libdir = re.sub(
+            r"/i386(?=-[^/]+$)", "/x86_64", config.compiler_rt_libdir
+        )
+    if config.target_arch == "sparc":
+        config.compiler_rt_libdir = re.sub(
+            r"/sparcv9(?=-[^/]+$)", "/sparc", config.compiler_rt_libdir
+        )
+    elif config.target_arch == "sparcv9":
+        config.compiler_rt_libdir = re.sub(
+            r"/sparc(?=-[^/]+$)", "/sparcv9", config.compiler_rt_libdir
+        )
 
 # Check if the test compiler resource dir matches the local build directory
 # (which happens with -DLLVM_ENABLE_PROJECTS=clang;compiler-rt) or if we are
 # using an installed clang to test compiler-rt standalone. In the latter case
 # we may need to override the resource dir to match the path of the just-built

``````````

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https://github.com/llvm/llvm-project/pull/111498