From 89336bc382c4b9b7551b33551a5dee9d64f62e4c Mon Sep 17 00:00:00 2001 From: hjl Date: Wed, 25 Apr 2012 19:08:23 +0000 Subject: [PATCH] Assert dbx_reg_number doesn't return INVALID_REGNUM PR debug/52857 * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186837 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/dwarf2out.c | 4 +++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f51ccbc..820ba1b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-04-25 H.J. Lu + + PR debug/52857 + * dwarf2out.c (dbx_reg_number): Assert return value != + INVALID_REGNUM. + 2012-04-25 Jakub Jelinek * common.opt (flag_debug_types_section): Default to 0. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 1240ddb..766edba 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10167,7 +10167,9 @@ dbx_reg_number (const_rtx rtl) } #endif - return DBX_REGISTER_NUMBER (regno); + regno = DBX_REGISTER_NUMBER (regno); + gcc_assert (regno != INVALID_REGNUM); + return regno; } /* Optionally add a DW_OP_piece term to a location description expression. -- 2.7.4