[binutils] Bump binutils to 2.20.1

binutils/gold/layout.h

Index: binutils/gold/layout.h
diff --git a/binutils/gold/layout.h b/binutils/gold/layout.h
index 675c65813b8bd0b4aa9b91ddaf9f2ba3acc7c2b6..71afa966f59c6002de9b1ae1746edea9b9aa0214 100644
--- a/binutils/gold/layout.h
+++ b/binutils/gold/layout.h
@@ -360,11 +360,13 @@ class Layout
   layout_gnu_stack(bool seen_gnu_stack, uint64_t gnu_stack_flags);
 
   // Add an Output_section_data to the layout.  This is used for
-  // special sections like the GOT section.
+  // special sections like the GOT section.  IS_DYNAMIC_LINKER_SECTION
+  // is true for sections which are used by the dynamic linker, such
+  // as dynamic reloc sections.
   Output_section*
   add_output_section_data(const char* name, elfcpp::Elf_Word type,
 			  elfcpp::Elf_Xword flags,
-			  Output_section_data*);
+			  Output_section_data*, bool is_dynamic_linker_section);
 
   // Create dynamic sections if necessary.
   void
@@ -745,18 +747,21 @@ class Layout
   // Return the output section for NAME, TYPE and FLAGS.
   Output_section*
   get_output_section(const char* name, Stringpool::Key name_key,
-		     elfcpp::Elf_Word type, elfcpp::Elf_Xword flags);
+		     elfcpp::Elf_Word type, elfcpp::Elf_Xword flags,
+		     bool is_interp, bool is_dynamic_linker_section);
 
   // Choose the output section for NAME in RELOBJ.
   Output_section*
   choose_output_section(const Relobj* relobj, const char* name,
 			elfcpp::Elf_Word type, elfcpp::Elf_Xword flags,
-			bool is_input_section);
+			bool is_input_section, bool is_interp,
+			bool is_dynamic_linker_section);
 
   // Create a new Output_section.
   Output_section*
   make_output_section(const char* name, elfcpp::Elf_Word type,
-		      elfcpp::Elf_Xword flags);
+		      elfcpp::Elf_Xword flags, bool is_interp,
+		      bool is_dynamic_linker_section);
 
   // Attach a section to a segment.
   void