imported from OmniOS
Let gold use the correct ELF interpreter

diff -wpruN --no-dereference '--exclude=*.orig' a~/gold/x86_64.cc a/gold/x86_64.cc
--- a~/gold/x86_64.cc	1970-01-01 00:00:00
+++ a/gold/x86_64.cc	1970-01-01 00:00:00
@@ -1301,7 +1301,11 @@ const Target::Target_info Target_x86_64<
   true,			// is_default_stack_executable
   true,			// can_icf_inline_merge_sections
   '\0',			// wrap_char
+#if defined(__illumos__)
+  "/lib/64/ld.so.1",
+#else
   "/lib/ld64.so.1",     // program interpreter
+#endif
   0x400000,		// default_text_segment_address
   0x1000,		// abi_pagesize (overridable by -z max-page-size)
   0x1000,		// common_pagesize (overridable by -z common-page-size)