[clang] [lld] [llvm] [DTLTO][Clang][LLD] Fix DTLTO for multi-call LLVM driver toolchain (PR #162456)

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darker --check --diff -r origin/main...HEAD clang/test/Driver/DTLTO/dtlto-helper.py
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``````````diff
--- dtlto-helper.py	2025-10-08 10:15:53.000000 +0000
+++ dtlto-helper.py	2025-10-08 11:33:30.416702 +0000
@@ -4,8 +4,8 @@
 # Arg 1: "clang" path.
 p = Path(sys.argv[1])
 print(f"clang-name:{p.resolve().name}")
 # Arg 2: Non-zero for LLVM driver.
 if sys.argv[2] != "0":
-    print(f"prepend-arg:\"--thinlto-remote-compiler-prepend-arg={p.name}\"")
+    print(f'prepend-arg:"--thinlto-remote-compiler-prepend-arg={p.name}"')
 else:
     print("prepend-arg: ")

``````````

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https://github.com/llvm/llvm-project/pull/162456