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-rw-r--r--gcc/tree-dump.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-dump.c b/gcc/tree-dump.c
index 91d6e71..fe52079 100644
--- a/gcc/tree-dump.c
+++ b/gcc/tree-dump.c
@@ -785,8 +785,8 @@ dump_node (t, flags, stream)
/* Define a tree dump switch. */
struct dump_file_info
{
- const char *suffix; /* suffix to give output file. */
- const char *swtch; /* command line switch */
+ const char *const suffix; /* suffix to give output file. */
+ const char *const swtch; /* command line switch */
int flags; /* user flags */
int state; /* state of play */
};