diff options
Diffstat (limited to 'gcc/java/expr.c')
-rw-r--r-- | gcc/java/expr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/java/expr.c b/gcc/java/expr.c index c7332a52..d789efb 100644 --- a/gcc/java/expr.c +++ b/gcc/java/expr.c @@ -386,6 +386,10 @@ can_widen_reference_to (source_type, target_type) int source_depth = class_depth (source_type); int target_depth = class_depth (target_type); + /* class_depth can return a negative depth if an error occurred */ + if (source_depth < 0 || target_depth < 0) + return 0; + if (CLASS_INTERFACE (TYPE_NAME (target_type))) { /* target_type is OK if source_type or source_type ancestors |