[RFA jit] initialize input_location
Tom Tromey
tromey@redhat.com
Thu Mar 20 15:07:00 GMT 2014
This patch initializes input_location at the same spot where the line
table is initialized. Without this, it's possible to crash when
emitting a diagnostic in a reinvocation of the compiler, because
input_location refers to a location that is no longer valid.
---
gcc/ChangeLog.jit | 4 ++++
gcc/toplev.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/gcc/ChangeLog.jit b/gcc/ChangeLog.jit
index ee1df88..a9b0817 100644
--- a/gcc/ChangeLog.jit
+++ b/gcc/ChangeLog.jit
@@ -1,5 +1,9 @@
2014-03-19 Tom Tromey <tromey@redhat.com>
+ * toplev.c (general_init): Initialize input_location.
+
+2014-03-19 Tom Tromey <tromey@redhat.com>
+
* timevar.h (auto_timevar): New class.
2014-03-19 Tom Tromey <tromey@redhat.com>
diff --git a/gcc/toplev.c b/gcc/toplev.c
index b257ab2..1febc2e 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1161,6 +1161,7 @@ general_init (const char *argv0)
table. */
init_ggc ();
init_stringpool ();
+ input_location = 0;
line_table = ggc_alloc_line_maps ();
linemap_init (line_table);
line_table->reallocator = realloc_for_line_map;
--
1.8.5.3
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