* [PATCH] Fix PR65550, ICE on invalid PCH use
@ 2015-04-09 13:03 Richard Biener
2015-04-09 13:19 ` Jakub Jelinek
0 siblings, 1 reply; 2+ messages in thread
From: Richard Biener @ 2015-04-09 13:03 UTC (permalink / raw)
To: gcc-patches
The following makes the checks whether the context allows a PCH file
(only the first include may be one, and not nested) more robust
thereby fixing PR65550.
Bootstrapped and tested on x86_64-unknown-linux-gnu - ok?
Thanks,
Richard.
2015-04-09 Richard Biener <rguenther@suse.de>
PR pch/65550
* files.c (pch_open_file): Allow main and pre-included files
when trying to open a PCH.
Index: libcpp/files.c
===================================================================
--- libcpp/files.c (revision 221942)
+++ libcpp/files.c (working copy)
@@ -291,11 +291,13 @@ pch_open_file (cpp_reader *pfile, _cpp_f
/* If the file is not included as first include from either the toplevel
file or the command-line it is not a valid use of PCH. */
- if (pfile->all_files
- && pfile->all_files->next_file
- && !(pfile->all_files->implicit_preinclude
- || pfile->all_files->next_file->implicit_preinclude))
- return false;
+ for (_cpp_file *f = pfile->all_files; f; f = f->next_file)
+ if (f->implicit_preinclude)
+ continue;
+ else if (f->main_file)
+ break;
+ else
+ return false;
flen = strlen (path);
len = flen + sizeof (extension);
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] Fix PR65550, ICE on invalid PCH use
2015-04-09 13:03 [PATCH] Fix PR65550, ICE on invalid PCH use Richard Biener
@ 2015-04-09 13:19 ` Jakub Jelinek
0 siblings, 0 replies; 2+ messages in thread
From: Jakub Jelinek @ 2015-04-09 13:19 UTC (permalink / raw)
To: Richard Biener; +Cc: gcc-patches
On Thu, Apr 09, 2015 at 03:03:38PM +0200, Richard Biener wrote:
> The following makes the checks whether the context allows a PCH file
> (only the first include may be one, and not nested) more robust
> thereby fixing PR65550.
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu - ok?
>
> Thanks,
> Richard.
>
> 2015-04-09 Richard Biener <rguenther@suse.de>
>
> PR pch/65550
> * files.c (pch_open_file): Allow main and pre-included files
> when trying to open a PCH.
Ok. If it wouldn't be too hard to add a testcase, it would be appreciated,
but if it isn't that easy, just commit it as is (or add testcase
later).
Jakub
^ permalink raw reply [flat|nested] 2+ messages in thread
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