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-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/dwarf-index-write.c3
2 files changed, 7 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 126deb7..0e5a3f4 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-04 Simon Marchi <simon.marchi@ericsson.com>
+
+ * dwarf-index-write.c (file_write): Don't write if the vector is
+ empty.
+
2018-10-05 Tom de Vries <tdevries@suse.de>
* python/py-progspace.c (pspy_solib_name): Fix type mismatch in
diff --git a/gdb/dwarf-index-write.c b/gdb/dwarf-index-write.c
index 2520321..d4585af 100644
--- a/gdb/dwarf-index-write.c
+++ b/gdb/dwarf-index-write.c
@@ -80,7 +80,8 @@ template<typename Elem, typename Alloc>
static void
file_write (FILE *file, const std::vector<Elem, Alloc> &vec)
{
- file_write (file, vec.data (), vec.size () * sizeof (vec[0]));
+ if (!vec.empty ())
+ file_write (file, vec.data (), vec.size () * sizeof (vec[0]));
}
/* In-memory buffer to prepare data to be written later to a file. */