On Thu, 26 Feb 2026 09:17:52 +0100 (CET)
Richard Biener <[email protected]> wrote:
> This works around an issue resulting in link-failure of cobol1 when
> LTO bootstrap is used by removing unused <iostream> from the cobol
> frontend.
>
> LTO bootstrapped on x86_64-unknown-linux-gnu.
>
> OK for trunk?
Yes, Richard, thanks. I won't be using cerr in the future.
I suspect LTO noticed
if(false)
and removed the code but not all the implied symbols. If any good
comes of this, perhaps it's that information.
--jkl
>
> Thanks,
> Richard.
>
> PR cobol/123238
> gcc/cobol/
> * lexio.cc: Remove <iostream> include.
> (cdftext::process_file): Remove if (false) gated use of
> iostream code.
> ---
> gcc/cobol/lexio.cc | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/gcc/cobol/lexio.cc b/gcc/cobol/lexio.cc
> index 48fc8cfe6bb..8a914ae86a9 100644
> --- a/gcc/cobol/lexio.cc
> +++ b/gcc/cobol/lexio.cc
> @@ -36,8 +36,6 @@
> #include "copybook.h"
> #include "lexio.h"
>
> -#include <iostream>
> -
> extern int yy_flex_debug;
>
> source_format_t& cdf_source_format();
> @@ -1905,12 +1903,6 @@ cdftext::process_file( filespan_t mfile, int
> output, bool second_pass ) {
> // parse CDF directives
> while( mfile.next_line() ) {
> - if( false ) {
> - std::string line( mfile.ccur(), const_cast<const char *>
> (mfile.eol) );
> - std::cerr << __func__ << ": "
> - << mfile.lineno() << ":" << mfile.colno() << ": "
> - << line;
> - }
> yylloc = mfile.as_location();
> auto copied = parse_copy_directive(mfile);
> if( copied.parsed && copied.fd != -1 ) {
> --
> 2.51.0
