Convert COMPILE_ASSERT to static_assert

util/mac/mach_o_image_segment_reader.cc

Index: util/mac/mach_o_image_segment_reader.cc
diff --git a/util/mac/mach_o_image_segment_reader.cc b/util/mac/mach_o_image_segment_reader.cc
index 0625f39287b57e2e6ea8dca0f78be61a09af2e98..3a2c37bf051e47c8b9340abfd044396a8aeaa3dc 100644
--- a/util/mac/mach_o_image_segment_reader.cc
+++ b/util/mac/mach_o_image_segment_reader.cc
@@ -237,9 +237,9 @@ std::string MachOImageSegmentReader::SegmentNameString(
     const char* segment_name_c) {
   // This is used to interpret the segname field of both the segment_command and
   // section structures, so be sure that they’re identical.
-  COMPILE_ASSERT(sizeof(process_types::segment_command::segname) ==
-                     sizeof(process_types::section::segname),
-                 sizes_must_be_equal);
+  static_assert(sizeof(process_types::segment_command::segname) ==
+                    sizeof(process_types::section::segname),
+                "sizes must be equal");
 
   return SizeLimitedCString(segment_name_c,
                             sizeof(process_types::segment_command::segname));