[Bazel] Fix build after ObjCopy move.

Differential Revision: https://reviews.llvm.org/D120039

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

@@ -786,6 +786,27 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "ObjCopy",
+    srcs = glob([
+        "lib/ObjCopy/**/*.cpp",
+        "lib/ObjCopy/**/*.h",
+    ]),
+    hdrs = glob([
+        "include/llvm/ObjCopy/**/*.h",
+    ]),
+    copts = llvm_copts,
+    includes = ["lib/ObjCopy"],
+    deps = [
+        ":MC",
+        ":Object",
+        ":ObjectYAML",
+        ":Support",
+        ":Target",
+        ":intrinsics_impl_gen",
+    ],
+)
+
 cc_library(
     name = "Object",
     srcs = glob([
@@ -2432,22 +2453,6 @@ cc_library(
     ],
 )
 
-# FIXME: This library should use `textual_hdrs` instead of `hdrs` as we don't
-# want to parse or build modules for them (and haven't duplicated the necessary
-# dependencies), but unfortunately that doesn't work with
-# `strip_include_prefix`: https://github.com/bazelbuild/bazel/issues/12424
-#
-# For now, we simply disable features that might rely on the headers parsing.
-cc_library(
-    name = "llvm-objcopy-headers",
-    hdrs = glob(["tools/llvm-objcopy/**/*.h"]),
-    features = [
-        "-parse_headers",
-        "-header_modules",
-    ],
-    strip_include_prefix = "tools/llvm-objcopy",
-)
-
 cc_library(
     name = "MCA",
     srcs = glob([
@@ -3337,17 +3342,15 @@ cc_binary(
 cc_binary(
     name = "llvm-objcopy",
     srcs = glob([
-        "tools/llvm-objcopy/**/*.cpp",
+        "tools/llvm-objcopy/*.cpp",
-        # Note that we redundantly include the headers here to allow files to
+        "tools/llvm-objcopy/*.h",
-        # include same-directory headers in addition to including headers via
-        # the `llvm-objcopy-headers` rule's stripped include prefix.
-        "tools/llvm-objcopy/**/*.h",
     ]),
     copts = llvm_copts,
     stamp = 0,
     deps = [
         ":BinaryFormat",
         ":MC",
+        ":ObjCopy",
         ":Object",
         ":ObjectYAML",
         ":Option",
@@ -3355,7 +3358,6 @@ cc_binary(
         ":Target",
         ":llvm-bitcode-strip-opts",
         ":llvm-installnametool-opts",
-        ":llvm-objcopy-headers",
         ":llvm-objcopy-opts",
         ":llvm-strip-opts",
     ],

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

@@ -411,6 +411,22 @@ cc_test(
     ],
 )
 
+cc_test(
+    name = "objcopy_tests",
+    srcs = glob(
+        ["ObjCopy/*.cpp"],
+        allow_empty = False,
+    ),
+    deps = [
+        "//llvm:ObjCopy",
+        "//llvm:Object",
+        "//llvm:ObjectYAML",
+        "//llvm:TestingSupport",
+        "//llvm:gtest",
+        "//llvm:gtest_main",
+    ],
+)
+
 cc_test(
     name = "object_tests",
     size = "small",