Fix line numbering for invoke instructions.

Line numbering of exceptions now work (better) in optimized mode.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/jsifier.js b/src/jsifier.js
index 88b9d9f6..7264b0e9 100644
--- a/src/jsifier.js
+++ b/src/jsifier.js
@@ -693,7 +693,9 @@ function JSify(data, functionsOnly, givenFunctions) {
               }
             }
             i++;
-            return JS + (Debugging.on ? Debugging.getComment(line.lineNum) : '');
+            // invoke instructions span two lines, and the debug info is located
+            // on the second line, hence the +1
+            return JS + (Debugging.on ? Debugging.getComment(line.lineNum + (line.intertype === 'invoke' ? 1 : 0)) : '');
           })
                                   .join('\n')
                                   .split('\n') // some lines include line breaks