[bazel] fix libc build (llvm#119433)

Due to moving strings out of string.

Link: llvm#118899

Author: nickdesaulniers

utils/bazel/llvm-project-overlay/libc/BUILD.bazel

@@ -3708,8 +3708,8 @@ libc_function(
 
 libc_function(
     name = "bcopy",
-    srcs = ["src/string/bcopy.cpp"],
-    hdrs = ["src/string/bcopy.h"],
+    srcs = ["src/strings/bcopy.cpp"],
+    hdrs = ["src/strings/bcopy.h"],
     features = no_sanitize_features,
     deps = [
         ":__support_common",
@@ -3732,8 +3732,8 @@ libc_function(
 
 libc_function(
     name = "bcmp",
-    srcs = ["src/string/bcmp.cpp"],
-    hdrs = ["src/string/bcmp.h"],
+    srcs = ["src/strings/bcmp.cpp"],
+    hdrs = ["src/strings/bcmp.h"],
     features = no_sanitize_features,
     weak = True,
     deps = [
@@ -3744,8 +3744,8 @@ libc_function(
 
 libc_function(
     name = "bzero",
-    srcs = ["src/string/bzero.cpp"],
-    hdrs = ["src/string/bzero.h"],
+    srcs = ["src/strings/bzero.cpp"],
+    hdrs = ["src/strings/bzero.h"],
     features = no_sanitize_features,
     weak = True,
     deps = [

utils/bazel/llvm-project-overlay/libc/test/src/string/BUILD.bazel

@@ -184,19 +184,6 @@ libc_test(
     ],
 )
 
-libc_test(
-    name = "bcopy_test",
-    srcs = ["bcopy_test.cpp"],
-    libc_function_deps = [
-        "//libc:bcopy",
-    ],
-    deps = [
-        ":memory_check_utils",
-        "//libc:__support_cpp_span",
-        "//libc/test/UnitTest:memory_matcher",
-    ],
-)
-
 libc_test(
     name = "memcmp_test",
     srcs = ["memcmp_test.cpp"],
@@ -208,24 +195,3 @@ libc_test(
         "//libc/test/UnitTest:test_logger",
     ],
 )
-
-libc_test(
-    name = "bcmp_test",
-    srcs = ["bcmp_test.cpp"],
-    libc_function_deps = [
-        "//libc:bcmp",
-    ],
-    deps = [
-        ":memory_check_utils",
-        "//libc/test/UnitTest:test_logger",
-    ],
-)
-
-libc_test(
-    name = "bzero_test",
-    srcs = ["bzero_test.cpp"],
-    libc_function_deps = [
-        "//libc:bzero",
-    ],
-    deps = [":memory_check_utils"],
-)

utils/bazel/llvm-project-overlay/libc/test/src/strings/BUILD.bazel

@@ -0,0 +1,48 @@
+# This file is licensed under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+# Tests for LLVM libc string.h functions.
+
+load("//libc:libc_build_rules.bzl", "libc_support_library")
+load("//libc/test:libc_test_rules.bzl", "libc_test")
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+libc_test(
+    name = "bcopy_test",
+    srcs = ["bcopy_test.cpp"],
+    libc_function_deps = [
+        "//libc:bcopy",
+    ],
+    deps = [
+        "//libc:__support_cpp_span",
+        "//libc/test/UnitTest:memory_matcher",
+        "//libc/test/src/string:memory_check_utils",
+    ],
+)
+
+libc_test(
+    name = "bcmp_test",
+    srcs = ["bcmp_test.cpp"],
+    libc_function_deps = [
+        "//libc:bcmp",
+    ],
+    deps = [
+        "//libc/test/UnitTest:test_logger",
+        "//libc/test/src/string:memory_check_utils",
+    ],
+)
+
+libc_test(
+    name = "bzero_test",
+    srcs = ["bzero_test.cpp"],
+    libc_function_deps = [
+        "//libc:bzero",
+    ],
+    deps = [
+        "//libc/test/src/string:memory_check_utils",
+    ],
+)