backtrace supression condition was wrong; fix #2472

472a1c24 · Yukihiro "Matz" Matsumoto · f1160977 · 472a1c24
Commit 472a1c24 authored Jul 15, 2014 by Yukihiro "Matz" Matsumoto
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src/backtrace.c src/backtrace.c +1 -1

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--- a/src/backtrace.c
+++ b/src/backtrace.c
@@ -147,7 +147,7 @@ exc_output_backtrace(mrb_state *mrb, struct RObject *exc, output_stream_func fun
 void
 mrb_print_backtrace(mrb_state *mrb)
 {
-  if (mrb->exc || mrb_obj_is_kind_of(mrb, mrb_obj_value(mrb->exc), E_SYSSTACK_ERROR)) {
+  if (!mrb->exc || mrb_obj_is_kind_of(mrb, mrb_obj_value(mrb->exc), E_SYSSTACK_ERROR)) {
    return;
  }
  exc_output_backtrace(mrb, mrb->exc, print_backtrace_i, (void*)stderr);