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[Bug translator/12137] SDT fails -pedantic with too-long strings
- From: "tromey at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: Mon, 17 Jan 2011 14:57:37 +0000
- Subject: [Bug translator/12137] SDT fails -pedantic with too-long strings
- Auto-submitted: auto-generated
- References: <bug-12137-1110@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=12137
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at redhat dot com
--- Comment #11 from Tom Tromey <tromey at redhat dot com> 2011-01-17 14:57:11 UTC ---
(In reply to comment #4)
> Is the compiler supposed to ignore these
> warnings when the macro *expansion* is happening in the user's file?
This is a known gcc bug: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7263
I think the particular case of __extension__ "overlong string" can be handled
more simply. This GCC patch seems to fix it for me.
diff --git a/gcc/c-parser.c b/gcc/c-parser.c
index 51df188..b0ef249 100644
--- a/gcc/c-parser.c
+++ b/gcc/c-parser.c
@@ -1045,13 +1045,15 @@ disable_extension_diagnostics (void)
| (warn_traditional << 2)
| (flag_iso << 3)
| (warn_long_long << 4)
- | (warn_cxx_compat << 5));
+ | (warn_cxx_compat << 5)
+ | (warn_overlength_strings << 6));
cpp_opts->cpp_pedantic = pedantic = 0;
warn_pointer_arith = 0;
cpp_opts->cpp_warn_traditional = warn_traditional = 0;
flag_iso = 0;
cpp_opts->cpp_warn_long_long = warn_long_long = 0;
warn_cxx_compat = 0;
+ warn_overlength_strings = 0;
return ret;
}
@@ -1067,6 +1069,7 @@ restore_extension_diagnostics (int flags)
flag_iso = (flags >> 3) & 1;
cpp_opts->cpp_warn_long_long = warn_long_long = (flags >> 4) & 1;
warn_cxx_compat = (flags >> 5) & 1;
+ warn_overlength_strings = (flags >> 6) & 1;
}
/* Possibly kinds of declarator to parse. */
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