| Index: src/objects.cc
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| diff --git a/src/objects.cc b/src/objects.cc
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| index 6f0f4ace180ccfb8fdfb2997d3de89c4e5becf67..9dec0942c0994539674fdedab311d95a3bcbb789 100644
 | 
| --- a/src/objects.cc
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| +++ b/src/objects.cc
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| @@ -12821,7 +12821,8 @@ bool Script::GetPositionInfo(int position, PositionInfo* info,
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|    if (info->line_end > 0) {
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|      DCHECK(script->source()->IsString());
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|      Handle<String> src(String::cast(script->source()));
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| -    if (src->Get(info->line_end - 1) == '\r') {
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| +    if (src->length() >= info->line_end &&
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| +        src->Get(info->line_end - 1) == '\r') {
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|        info->line_end--;
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|      }
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|    }
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| 
 |