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[Bug middle-end/86505] [6/7/8 Regression] __builtin_va_arg_pack_len() computes the number of arguments wrongly
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 17 Aug 2018 08:49:37 +0000
- Subject: [Bug middle-end/86505] [6/7/8 Regression] __builtin_va_arg_pack_len() computes the number of arguments wrongly
- Auto-submitted: auto-generated
- References: <bug-86505-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86505
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Aug 17 08:48:58 2018
New Revision: 263613
URL: https://gcc.gnu.org/viewcvs?rev=263613&root=gcc&view=rev
Log:
2018-08-17 Richard Biener <rguenther@suse.de>
PR middle-end/86505
* tree-inline.c (copy_bb): When inlining __builtin_va_arg_pack_len ()
across a va-arg-pack using call adjust its return value accordingly.
* gcc.dg/torture/pr86505.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr86505.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-inline.c