This patch to gcc uses the new DW_LANG_Go DWARF language code for Go. Bootstrapped and ran testsuite on x86_64-unknown-linux-gnu. Committed on the basis of 1) I am a middle-end maintainer; 2) I am a Go maintainer; 3) the patch is obvious.
Ian 2011-12-28 Ian Lance Taylor <i...@google.com> * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Go for Go.
Index: dwarf2out.c =================================================================== --- dwarf2out.c (revision 182694) +++ dwarf2out.c (working copy) @@ -18433,6 +18433,11 @@ gen_compile_unit_die (const char *filena language = DW_LANG_ObjC; else if (strcmp (language_string, "GNU Objective-C++") == 0) language = DW_LANG_ObjC_plus_plus; + else if (dwarf_version >= 5 || !dwarf_strict) + { + if (strcmp (language_string, "GNU Go") == 0) + language = DW_LANG_Go; + } } add_AT_unsigned (die, DW_AT_language, language);