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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2012-11-27 12:04:21 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2012-11-27 12:04:21 +0000
commit58287c3f4b74a0bb479c7036117d5804eb6765c4 (patch)
treec299b554740820453d3def4a8e59007a86edd7c7 /libbacktrace
parentdb827453ce1b7f76552f8ba9a8d18e65d7bf8de8 (diff)
downloadgcc-58287c3f4b74a0bb479c7036117d5804eb6765c4.tar.gz
2012-11-26 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 193836 using svnmerge.py **broken, gcc/melt/xtramelt-ana-base.melt dont compile** git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@193843 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libbacktrace')
-rw-r--r--libbacktrace/ChangeLog4
-rw-r--r--libbacktrace/dwarf.c6
2 files changed, 10 insertions, 0 deletions
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index fc5871ad30d..7d2cfda88b9 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-20 Ian Lance Taylor <iant@google.com>
+
+ * dwarf.c (read_attribute): Always clear val.
+
2012-11-13 Ian Lance Taylor <iant@google.com>
PR other/55312
diff --git a/libbacktrace/dwarf.c b/libbacktrace/dwarf.c
index b198dea38dc..bd7419b9c9a 100644
--- a/libbacktrace/dwarf.c
+++ b/libbacktrace/dwarf.c
@@ -654,6 +654,12 @@ read_attribute (enum dwarf_form form, struct dwarf_buf *buf,
const unsigned char *dwarf_str, size_t dwarf_str_size,
struct attr_val *val)
{
+ /* Avoid warnings about val.u.FIELD may be used uninitialized if
+ this function is inlined. The warnings aren't valid but can
+ occur because the different fields are set and used
+ conditionally. */
+ memset (val, 0, sizeof *val);
+
switch (form)
{
case DW_FORM_addr: