Fix the line numbers on the backtrace

The returnPC points to the opcode after the call, but we want the opcode
right before to compute the line number.

Reviewed-by: Kent Hansen

1 files changed, 1 insertions, 1 deletions

diff --git a/src/script/api/qscriptcontextinfo.cpp b/src/script/api/qscriptcontextinfo.cpp
index a305116..04c26e2 100644
--- a/src/script/api/qscriptcontextinfo.cpp
+++ b/src/script/api/qscriptcontextinfo.cpp
@@ -172,7 +172,7 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
             JSC::CodeBlock *codeBlock = frame->codeBlock();
             if (returnPC && codeBlock) {
                 lineNumber = codeBlock->lineNumberForBytecodeOffset(const_cast<JSC::ExecState *>(frame),
-                                                                    returnPC - codeBlock->instructions().begin());
+                                                                    returnPC - codeBlock->instructions().begin() -1);
             }
         }
     }