On Thu, Jan 05, 2017 at 11:01:37AM +0100, Martin Liška wrote:
> >From 0e14f21128c7aa67ed0eaa10877323a0b2011b63 Mon Sep 17 00:00:00 2001
> From: marxin <mli...@suse.cz>
> Date: Wed, 4 Jan 2017 16:04:44 +0100
> Subject: [PATCH] Error for '-' as filename of a precompiled header (PR
> pch/78970)
>
> gcc/ChangeLog:
>
> 2017-01-05 Martin Liska <mli...@suse.cz>
>
> * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
> header.
> ---
> gcc/gcc.c | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/gcc.c b/gcc/gcc.c
> index 8154953eb1d..ea4af119e73 100644
> --- a/gcc/gcc.c
> +++ b/gcc/gcc.c
> @@ -8325,7 +8325,19 @@ lookup_compiler (const char *name, size_t length,
> const char *language)
> {
> for (cp = compilers + n_compilers - 1; cp >= compilers; cp--)
> if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language))
> - return cp;
> + {
> + if (name != NULL && strcmp (name, "-") == 0
> + && (strcmp (cp->suffix, "@c-header") == 0
> + || strcmp (cp->suffix, "@c++-header") == 0))
> + {
> + fatal_error (input_location,
> + "can't use '-' as input filename for a "
> + "precompiled header");
That would be can%'t
Won't the compiler still ICE if you invoke cc1 or cc1plus rather than the
driver?
Jakub
