[libcxx-commits] [libcxx] [libc++][filesystem] Report an error for canonical("") (PR #215031)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- libcxx/src/filesystem/operations.cpp libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.canonical/canonical.pass.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.canonical/canonical.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.canonical/canonical.pass.cpp
index 6a844b1bd..081aabb24 100644
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.canonical/canonical.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.canonical/canonical.pass.cpp
@@ -97,29 +97,28 @@ static void test_dne_path()
 // refers to an existing file (exists(path()) is always false). canonical("")
 // must therefore report an error instead of silently returning the current
 // directory.
-static void test_empty_path()
-{
-    std::error_code ec = GetTestEC();
-    {
-        const path ret = canonical(path{}, ec);
-        assert(ec != GetTestEC());
-        assert(ec);
-        assert(ret == path{});
-    }
-    {
-        TEST_THROWS_TYPE(filesystem_error, canonical(path{}));
-    }
+static void test_empty_path() {
+  std::error_code ec = GetTestEC();
+  {
+    const path ret = canonical(path{}, ec);
+    assert(ec != GetTestEC());
+    assert(ec);
+    assert(ret == path{});
+  }
+  {
+    TEST_THROWS_TYPE(filesystem_error, canonical(path{}));
+  }
 
-    ec = GetTestEC();
-    {
-        const path ret = canonical("", ec);
-        assert(ec != GetTestEC());
-        assert(ec);
-        assert(ret == path{});
-    }
-    {
-        TEST_THROWS_TYPE(filesystem_error, canonical(""));
-    }
+  ec = GetTestEC();
+  {
+    const path ret = canonical("", ec);
+    assert(ec != GetTestEC());
+    assert(ec);
+    assert(ret == path{});
+  }
+  {
+    TEST_THROWS_TYPE(filesystem_error, canonical(""));
+  }
 }
 
 static void test_exception_contains_paths()

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https://github.com/llvm/llvm-project/pull/215031