https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81983
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ian at airs dot com,
| |ian at gcc dot gnu.org,
| |vries at gcc dot gnu.org
Component|libfortran |libbacktrace
--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
AFAIU, this libbacktrace assert corresponds to the runtime error mentioned in
comment 0:
...
diff --git a/libbacktrace/dwarf.c b/libbacktrace/dwarf.c
index d7dacf3ef32..b99771a2989 100644
--- a/libbacktrace/dwarf.c
+++ b/libbacktrace/dwarf.c
@@ -36,6 +36,7 @@ POSSIBILITY OF SUCH DAMAGE. */
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
+#include <assert.h>
#include "dwarf2.h"
#include "filenames.h"
@@ -2821,6 +2822,7 @@ dwarf_lookup_pc (struct backtrace_state *state, struct
dwarf_data *ddata,
*found = 1;
/* Find an address range that includes PC. */
+ assert (ddata->addrs != NULL);
entry = bsearch (&pc, ddata->addrs, ddata->addrs_count,
sizeof (struct unit_addrs), unit_addrs_search);
...
I can trigger the assert with btest_dwz, for the btest_common.debug file, which
doesn't contain any addresses.
