sect := f.macho.Sections[s.Sect-1]
			switch sect.Seg {
			case "__TEXT", "__DATA_CONST":
				sym.Code = 'R'
			case "__DATA":
				sym.Code = 'D'
			}
			switch sect.Seg + " " + sect.Name {
			case "__TEXT __text":
				sym.Code = 'T'
			case "__DATA __bss", "__DATA __noptrbss":
				sym.Code = 'B'
			}
		}
		syms = append(syms, sym)
	}

	return syms, nil
}

--- a/iconv/gconv.h
+++ b/iconv/gconv.h
@@ -174,7 +174,7 @@ typedef struct __gconv_info
 {
   size_t __nsteps;
   struct __gconv_step *__steps;
-  __extension__ struct __gconv_step_data __data __flexarr;
+  __extension__ struct __gconv_step_data __data[0];
 } *__gconv_t;
 
 #endif /* gconv.h */
diff --git a/include/libc-symbols.h b/include/libc-symbols.h
index c555bf2..143b26d 100644
--- a/include/libc-symbols.h

	}

	/* data */
	if ctxt.LinkMode != LinkExternal {
		ms = newMachoSeg("__DATA", 20)
		ms.vaddr = Segdata.Vaddr
		ms.vsize = Segdata.Length
		ms.fileoffset = Segdata.Fileoff
		ms.filesize = Segdata.Filelen
		ms.prot1 = 3
		ms.prot2 = 3
	}

	for _, sect := range Segdata.Sections {
		machoshbits(ctxt, ms, sect, "__DATA")
	}

	/* dwarf */
	if !*FlagW {
		if ctxt.LinkMode != LinkExternal {

#line 1 "cgo-c-prolog-gccgo"
#include <stdint.h>
#include <stdlib.h>
#include <string.h>

typedef unsigned char byte;
typedef intptr_t intgo;

struct __go_string {
	const unsigned char *__data;
	intgo __length;
};

typedef struct __go_open_array {
	void* __values;
	intgo __count;
	intgo __capacity;
} Slice;

		} else {
			fmt.Fprintf(&b, "\t0,\n")
		}
	}
	// for the last entry, we cannot use 0, otherwise
	// in case all __cgodebug_data is zero initialized,
	// LLVM-based gcc will place the it in the __DATA.__common
	// zero-filled section (our debug/macho doesn't support
	// this)
	fmt.Fprintf(&b, "\t1\n")
	fmt.Fprintf(&b, "};\n")

	// do the same work for floats.