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-rw-r--r--gdb/valarith.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/valarith.c b/gdb/valarith.c
index 6210267..526cc02 100644
--- a/gdb/valarith.c
+++ b/gdb/valarith.c
@@ -1382,7 +1382,10 @@ scalar_binop (struct value *arg1, struct value *arg2, enum exp_opcode op)
break;
case BINOP_SUB:
- v = v1 - v2;
+ /* Avoid runtime error: signed integer overflow: \
+ 0 - -9223372036854775808 cannot be represented in type
+ 'long int'. */
+ v = (ULONGEST)v1 - (ULONGEST)v2;
break;
case BINOP_MUL: