[libcxx-commits] [libcxx] [libcxx] Work around picolibc argv handling in tests. (PR #127662)

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darker --check --diff -r 2cb5241c7724cbf4fa02b25547e098bfc635aba9...8b31aa204ce3c3e8601501b9d0d2d193f5741b26 libcxx/utils/libcxx/test/dsl.py
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``````````diff
--- dsl.py	2025-02-18 16:21:39.000000 +0000
+++ dsl.py	2025-02-18 16:32:55.031729 +0000
@@ -278,13 +278,14 @@
     # Some locale names contain spaces, and some embedded use cases
     # (in particular picolibc under Arm semihosting) can't support
     # spaces in argv words. Work around this by applying URL-style
     # %-encoding to the locale names, and undoing it in our test
     # program.
-    percent_encode = lambda s: ''.join(
-        "%{:02x}".format(c) if c in b' %\\"\'' or c >= 128 else chr(c)
-        for c in s.encode())
+    percent_encode = lambda s: "".join(
+        "%{:02x}".format(c) if c in b" %\\\"'" or c >= 128 else chr(c)
+        for c in s.encode()
+    )
 
     program = """
     #include <stddef.h>
     #if defined(_LIBCPP_VERSION) && !_LIBCPP_HAS_LOCALIZATION
       int main(int, char**) { return 1; }
@@ -312,12 +313,13 @@
         }
         return 1;
       }
     #endif
   """
-    return programSucceeds(config, program, args=[
-        shlex.quote(percent_encode(l)) for l in locales])
+    return programSucceeds(
+        config, program, args=[shlex.quote(percent_encode(l)) for l in locales]
+    )
 
 
 @_memoizeExpensiveOperation(lambda c, flags="": (c.substitutions, c.environment, flags))
 def compilerMacros(config, flags=""):
     """

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https://github.com/llvm/llvm-project/pull/127662