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Merge pull request #3126 from jbreeden/backtrace_irep_null_check

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Null check for irep & initialize loc.lineno
This commit is contained in:
Yukihiro "Matz" Matsumoto
2016-03-06 08:44:15 +09:00
parent 4f4fa0ade0 d2a8f7e0cc
commit bf7719fe8d
1 changed files with 7 additions and 2 deletions
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src/backtrace.c
+7 -2
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@@ -111,6 +111,8 @@ each_backtrace(mrb_state *mrb, mrb_int ciidx, mrb_code *pc0, each_backtrace_func
mrb_callinfo *ci;
mrb_irep *irep;
mrb_code *pc;
loc.lineno = -1;
ci = &mrb->c->cibase[i];
@@ -128,8 +130,11 @@ each_backtrace(mrb_state *mrb, mrb_int ciidx, mrb_code *pc0, each_backtrace_func
else {
pc = pc0;
}
loc.filename = mrb_debug_get_filename(irep, (uint32_t)(pc - irep->iseq));
loc.lineno = mrb_debug_get_line(irep, (uint32_t)(pc - irep->iseq));
if (irep) {
loc.filename = mrb_debug_get_filename(irep, (uint32_t)(pc - irep->iseq));
loc.lineno = mrb_debug_get_line(irep, (uint32_t)(pc - irep->iseq));
}
if (loc.lineno == -1) continue;