Fix C++ global static constructors not being called (#32)

gcc/config/aarch64/aarch64-coff.h

@@ -68,12 +68,6 @@
 #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE)
 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)
 
-#undef TARGET_ASM_CONSTRUCTOR
-#define TARGET_ASM_CONSTRUCTOR aarch64_elf_asm_constructor
-
-#undef TARGET_ASM_DESTRUCTOR
-#define TARGET_ASM_DESTRUCTOR aarch64_elf_asm_destructor
-
 #define TEXT_SECTION_ASM_OP	"\t.text"
 #define DATA_SECTION_ASM_OP	"\t.data"
 #define BSS_SECTION_ASM_OP	"\t.bss"
@@ -86,11 +80,6 @@
 #undef SUPPORTS_INIT_PRIORITY
 #define SUPPORTS_INIT_PRIORITY 0
 
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP "\t.section\t.init_array,\"aw\""
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP "\t.section\t.fini_array,\"aw\""
-
 // #undef STACK_CHECK_STATIC_BUILTIN
 // #define STACK_CHECK_STATIC_BUILTIN 1