Re: [Bug c++/39751] New: ICE in cp_lexer_new_from_tokens, at cp/parser.c:342

[Andrew Thomas Pinski <pinskia@gmail.com>]

Sent from my iPhone

On Apr 13, 2009, at 7:43 AM, "gcc at abeckmann dot de" <gcc-bugzilla@gcc.gnu.org 
 > wrote:

> This is a 4.5.0 regression on invalid code:
>
> ========== 8< ==========
> template < typename >
> struct A
> {
> A < struct
> {
> f () :
> ========== >8 ==========
>
> ---------- 4.5.0 ----------
> $ x86_64-linux-gnu-g++-trunk -v -c ice-cp_parser_c-342.ii
>
> Using built-in specs.
> Target: x86_64-unknown-linux-gnu
> Configured with: ../gcc-trunk/configure
> --prefix=/opt/software/gcc-x86_64/gcc-trunk --program-suffix=-trunk
> --enable-languages=c,c++
> Thread model: posix
> gcc version 4.5.0 20090410 (experimental) (GCC)
> COLLECT_GCC_OPTIONS='-v' '-c' '-shared-libgcc' '-mtune=generic'
>
> /opt/software/gcc-x86_64/gcc-trunk/libexec/gcc/x86_64-unknown-linux- 
> gnu/4.5.0/cc1plus
> -fpreprocessed ice-cp_parser_c-342.ii -quiet -dumpbase ice- 
> cp_parser_c-342.ii
> -mtune=generic -auxbase ice-cp_parser_c-342 -version -o /tmp/ 
> ccqQZWYs.s
> GNU C++ (GCC) version 4.5.0 20090412 (experimental) (x86_64-unknown- 
> linux-gnu)
>        compiled by GNU C version 4.5.0 20090410 (experimental), GMP  
> version
> 4.2.2, MPFR version 2.3.1.
> GGC heuristics: --param ggc-min-expand=30 --param ggc-min- 
> heapsize=4096
> Compiler executable checksum: b13346d60276f3352c4b7dd22e3889d7
> ice-cp_parser_c-342.ii:6: error: ISO C++ forbids declaration of  
> ‘f’ with no
> type
> ice-cp_parser_c-342.ii:6: error: expected ‘}’ at end of input
> ice-cp_parser_c-342.ii:6: error: expected template-argument at end  
> of input
> ice-cp_parser_c-342.ii:6: error: expected ‘>’ at end of input
> ice-cp_parser_c-342.ii:6: error: expected ‘::’ at end of input
> ice-cp_parser_c-342.ii:6: error: expected unqualified-id at end of  
> input
> ice-cp_parser_c-342.ii:6: error: expected ‘;’ at end of input
> ice-cp_parser_c-342.ii:6: error: expected ‘}’ at end of input
> ice-cp_parser_c-342.ii:6: internal compiler error: in  
> cp_lexer_new_from_tokens,
> at cp/parser.c:342
> --------------------
>
> using 4.4.0 or older the compilation terminates with
>
> ice-cp_parser_c-342.ii:6: confused by earlier errors, bailing out

Then this is not a regression :). That message is the same as an ice  
but just for releases;).

>
>
>
> -- 
>           Summary: ICE in cp_lexer_new_from_tokens, at cp/parser.c:342
>           Product: gcc
>           Version: 4.5.0
>            Status: UNCONFIRMED
>          Severity: normal
>          Priority: P3
>         Component: c++
>        AssignedTo: unassigned at gcc dot gnu dot org
>        ReportedBy: gcc at abeckmann dot de
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39751
>