From 3401a17fcbee4b9524111a94ddd5208661ad39ce Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Mon, 25 Oct 2004 23:43:11 +0200 Subject: [PATCH] dwarf2out.c (rtl_for_decl_location): Avoid segfault if DECL_INCOMING_RTL is NULL. * dwarf2out.c (rtl_for_decl_location): Avoid segfault if DECL_INCOMING_RTL is NULL. * gcc.dg/debug/20041023-1.c: New test. From-SVN: r89554 --- gcc/ChangeLog | 5 +++++ gcc/dwarf2out.c | 3 ++- gcc/testsuite/ChangeLog | 4 ++++ gcc/testsuite/gcc.dg/debug/20041023-1.c | 13 +++++++++++++ 4 files changed, 24 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/debug/20041023-1.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bcdfb1a..e8bdb1f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-10-25 Jakub Jelinek + + * dwarf2out.c (rtl_for_decl_location): Avoid segfault if + DECL_INCOMING_RTL is NULL. + 2004-10-25 Steven Bosscher * timevar.def (TV_FIND_REFERENCED_VARS): New. diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index f4c5974..a6b923c 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -9807,7 +9807,8 @@ rtl_for_decl_location (tree decl) if (dmode == pmode) rtl = DECL_INCOMING_RTL (decl); else if (SCALAR_INT_MODE_P (dmode) - && GET_MODE_SIZE (dmode) <= GET_MODE_SIZE (pmode)) + && GET_MODE_SIZE (dmode) <= GET_MODE_SIZE (pmode) + && DECL_INCOMING_RTL (decl)) { rtx inc = DECL_INCOMING_RTL (decl); if (REG_P (inc)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 765daa2..19c32bb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2004-10-25 Jakub Jelinek + + * gcc.dg/debug/20041023-1.c: New test. + 2004-10-25 Andrew Pinski PR middle-end/17407 diff --git a/gcc/testsuite/gcc.dg/debug/20041023-1.c b/gcc/testsuite/gcc.dg/debug/20041023-1.c new file mode 100644 index 0000000..12b7cb9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/20041023-1.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ + +static void +foo (unsigned char x) +{ + unsigned char a[5 + x]; +} + +void +bar (void) +{ + foo (80); +} -- 2.7.4