Hello community, here is the log from the commit of package gdb for openSUSE:Factory checked in at 2019-12-24 14:29:20 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Comparing /work/SRC/openSUSE:Factory/gdb (Old) and /work/SRC/openSUSE:Factory/.gdb.new.6675 (New) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "gdb" Tue Dec 24 14:29:20 2019 rev:135 rq:757565 version:8.3.1 Changes: -------- --- /work/SRC/openSUSE:Factory/gdb/gdb.changes 2019-11-15 22:33:02.184053311 +0100 +++ /work/SRC/openSUSE:Factory/.gdb.new.6675/gdb.changes 2019-12-24 14:29:26.170560447 +0100 @@ -1,0 +2,6 @@ +Fri Dec 6 14:20:21 UTC 2019 - Tom de Vries <[email protected]> + +- Fix build with gcc 10 [bsc#1158539, swo#24653]. + * gdb-0001-remove-alloca-0-calls.patch + +------------------------------------------------------------------- New: ---- gdb-0001-remove-alloca-0-calls.patch ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Other differences: ------------------ ++++++ gdb.spec ++++++ --- /var/tmp/diff_new_pack.hLbVsr/_old 2019-12-24 14:29:28.574561610 +0100 +++ /var/tmp/diff_new_pack.hLbVsr/_new 2019-12-24 14:29:28.574561610 +0100 @@ -247,6 +247,7 @@ Patch2009: gdb-s390-handle-arch13.diff Patch2010: gdb-fix-heap-use-after-free-in-typename-concat.patch Patch2011: gdb-dwarf-reader-reject-sections-with-invalid-sizes.patch +Patch2012: gdb-0001-remove-alloca-0-calls.patch # Proposed patch for PR symtab/24971 Patch2500: gdb-symtab-prefer-var-def-over-decl.patch @@ -599,6 +600,7 @@ %patch2009 -p1 %patch2010 -p1 %patch2011 -p1 +%patch2012 -p1 %patch2500 -p1 %patch2501 -p1 ++++++ gdb-0001-remove-alloca-0-calls.patch ++++++ Remove alloca(0) calls PR gdb/24653 points out that a gcc snapshot will complain about the calls to alloca(0) in gdb. These calls are only needed when using the C alloca. I'm inclined to think that no current platform needs this, so this patch removes the calls. Let me know what you think. gdb/ChangeLog 2019-06-14 Tom Tromey <[email protected]> PR gdb/24653: * regcache.c (registers_changed): Don't call alloca. * top.c (execute_command): Don't call alloca. --- gdb/ChangeLog | 6 ++++++ gdb/regcache.c | 7 ------- gdb/top.c | 4 ---- 3 files changed, 6 insertions(+), 11 deletions(-) diff --git a/gdb/regcache.c b/gdb/regcache.c index 6e3eee96631..323f0f5ab4e 100644 --- a/gdb/regcache.c +++ b/gdb/regcache.c @@ -454,13 +454,6 @@ void registers_changed (void) { registers_changed_ptid (minus_one_ptid); - - /* Force cleanup of any alloca areas if using C alloca instead of - a builtin alloca. This particular call is used to clean up - areas allocated by low level target code which may build up - during lengthy interactions between gdb and the target before - gdb gives control to the user (ie watchpoints). */ - alloca (0); } void diff --git a/gdb/top.c b/gdb/top.c index b46de90f755..857207c3767 100644 --- a/gdb/top.c +++ b/gdb/top.c @@ -560,10 +560,6 @@ execute_command (const char *p, int from_tty) auto cleanup_if_error = make_scope_exit (bpstat_clear_actions); scoped_value_mark cleanup = prepare_execute_command (); - /* Force cleanup of any alloca areas if using C alloca instead of - a builtin alloca. */ - alloca (0); - /* This can happen when command_line_input hits end of file. */ if (p == NULL) {
