Fix bazel build past 72ce629 (#79424)

Author: dklimkin

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

@@ -210,6 +210,7 @@ libc_support_library(
     deps = [
         "__support_cpp_type_traits",
         "__support_macros_attributes",
+        ":llvm_libc_macros_limits_macros",
     ],
 )
 
@@ -955,6 +956,11 @@ libc_support_library(
     ],
 )
 
+libc_support_library(
+    name = "llvm_libc_macros_limits_macros",
+    hdrs = ["include/llvm-libc-macros/limits-macros.h"],
+)
+
 ############################### errno targets ################################
 
 libc_function(

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

@@ -345,6 +345,7 @@ libc_support_library(
     name = "ldexp_test_template",
     hdrs = ["LdExpTest.h"],
     deps = [
+        "//libc:__support_cpp_limits",
         "//libc:__support_fputil_fp_bits",
         "//libc:__support_fputil_normal_float",
         "//libc/test/UnitTest:LibcUnitTest",
@@ -783,6 +784,7 @@ math_test(
         "LdExpTest.h",
         "ScalbnTest.h",
     ],
+    deps = ["//libc:__support_cpp_limits"],
 )
 
 math_test(
@@ -791,6 +793,7 @@ math_test(
         "LdExpTest.h",
         "ScalbnTest.h",
     ],
+    deps = ["//libc:__support_cpp_limits"],
 )
 
 math_test(
@@ -799,4 +802,5 @@ math_test(
         "LdExpTest.h",
         "ScalbnTest.h",
     ],
+    deps = ["//libc:__support_cpp_limits"],
 )

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

@@ -47,6 +47,7 @@ libc_support_library(
         "//libc:__support_fputil_fp_bits",
         "//libc:__support_fputil_fpbits_str",
         "//libc/test/UnitTest:fp_test_helpers",
+        "//libc/test/UnitTest:LibcUnitTest",
         "//libc/utils/MPFRWrapper:mpfr_impl",
     ],
 )