[bazel] Port for 1301bc4

Author: hokein

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

@@ -333,6 +333,7 @@ libc_support_library(
         ":__support_macros_attributes",
         ":__support_macros_config",
         ":__support_macros_properties_float",
+        ":llvm_libc_macros_stdfix_macros",
     ],
 )
 
@@ -979,6 +980,12 @@ libc_support_library(
     hdrs = ["include/llvm-libc-macros/float-macros.h"],
 )
 
+libc_support_library(
+    name = "llvm_libc_macros_stdfix_macros",
+    hdrs = ["include/llvm-libc-macros/stdfix-macros.h"],
+    deps = [":llvm_libc_macros_float_macros"],
+)
+
 libc_support_library(
     name = "llvm_libc_types_float128",
     hdrs = ["include/llvm-libc-types/float128.h"],