diff --git a/odoo/addons/base/models/assetsbundle.py b/odoo/addons/base/models/assetsbundle.py
index 93e2adb88dc..d1554594aa3 100644
--- a/odoo/addons/base/models/assetsbundle.py
+++ b/odoo/addons/base/models/assetsbundle.py
@@ -31,7 +31,7 @@ _logger = logging.getLogger(__name__)
 class CompileError(RuntimeError): pass
 def rjsmin(script):
     """ Minify js with a clever regex.
-    Taken from http://opensource.perlig.de/rjsmin
+    Taken from http://opensource.perlig.de/rjsmin (version 1.1.0)
     Apache License, Version 2.0 """
     def subber(match):
         """ Substitution callback """
@@ -39,37 +39,53 @@ def rjsmin(script):
         return (
             groups[0] or
             groups[1] or
+            (groups[3] and (groups[2] + '\n')) or
             groups[2] or
-            groups[3] or
-            (groups[4] and '\n') or
-            (groups[5] and ' ') or
-            (groups[6] and ' ') or
-            (groups[7] and ' ') or
+            (groups[5] and "%s%s%s" % (
+                groups[4] and '\n' or '',
+                groups[5],
+                groups[6] and '\n' or '',
+            )) or
+            (groups[7] and '\n') or
+            (groups[8] and ' ') or
+            (groups[9] and ' ') or
+            (groups[10] and ' ') or
             ''
         )
 
     result = re.sub(
-        r'([^\047"/\000-\040]+)|((?:(?:\047[^\047\\\r\n]*(?:\\(?:[^\r\n]|\r?'
-        r'\n|\r)[^\047\\\r\n]*)*\047)|(?:"[^"\\\r\n]*(?:\\(?:[^\r\n]|\r?\n|'
-        r'\r)[^"\\\r\n]*)*"))[^\047"/\000-\040]*)|(?:(?<=[(,=:\[!&|?{};\r\n]'
-        r')(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/'
-        r'))*((?:/(?![\r\n/*])[^/\\\[\r\n]*(?:(?:\\[^\r\n]|(?:\[[^\\\]\r\n]*'
-        r'(?:\\[^\r\n][^\\\]\r\n]*)*\]))[^/\\\[\r\n]*)*/)[^\047"/\000-\040]*'
-        r'))|(?:(?<=[\000-#%-,./:-@\[-^`{-~-]return)(?:[\000-\011\013\014\01'
-        r'6-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*((?:/(?![\r\n/*])[^/'
-        r'\\\[\r\n]*(?:(?:\\[^\r\n]|(?:\[[^\\\]\r\n]*(?:\\[^\r\n][^\\\]\r\n]'
-        r'*)*\]))[^/\\\[\r\n]*)*/)[^\047"/\000-\040]*))|(?<=[^\000-!#%&(*,./'
-        r':-@\[\\^`{|~])(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/'
-        r'*][^*]*\*+)*/))*(?:((?:(?://[^\r\n]*)?[\r\n]))(?:[\000-\011\013\01'
-        r'4\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)+(?=[^\000-\040"#'
-        r'%-\047)*,./:-@\\-^`|-~])|(?<=[^\000-#%-,./:-@\[-^`{-~-])((?:[\000-'
-        r'\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=[^'
-        r'\000-#%-,./:-@\[-^`{-~-])|(?<=\+)((?:[\000-\011\013\014\016-\040]|'
-        r'(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=\+)|(?<=-)((?:[\000-\011\0'
-        r'13\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=-)|(?:[\0'
-        r'00-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))+|(?:'
-        r'(?:(?://[^\r\n]*)?[\r\n])(?:[\000-\011\013\014\016-\040]|(?:/\*[^*'
-        r']*\*+(?:[^/*][^*]*\*+)*/))*)+', subber, '\n%s\n' % script
+        r'([^\047"\140/\000-\040]+)|((?:(?:\047[^\047\\\r\n]*(?:\\(?:[^'
+        r'\r\n]|\r?\n|\r)[^\047\\\r\n]*)*\047)|(?:"[^"\\\r\n]*(?:\\(?:[^'
+        r'\r\n]|\r?\n|\r)[^"\\\r\n]*)*")|(?:\140[^\140\\]*(?:\\(?:[^\r\n'
+        r']|\r?\n|\r)[^\140\\]*)*\140))[^\047"\140/\000-\040]*)|(?<=[(,='
+        r':\[!&|?{};\r\n+*-])(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*'
+        r'\*+(?:[^/*][^*]*\*+)*/))*(?:(?:(?://[^\r\n]*)?[\r\n])(?:[\000-'
+        r'\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)*('
+        r'(?:/(?![\r\n/*])[^/\\\[\r\n]*(?:(?:\\[^\r\n]|(?:\[[^\\\]\r\n]*'
+        r'(?:\\[^\r\n][^\\\]\r\n]*)*\]))[^/\\\[\r\n]*)*/))((?:[\000-\011'
+        r'\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*(?:(?:('
+        r'?://[^\r\n]*)?[\r\n])(?:[\000-\011\013\014\016-\040]|(?:/\*[^*'
+        r']*\*+(?:[^/*][^*]*\*+)*/))*)+(?=[^\000-\040&)+,.:;=?\]|}-]))?|'
+        r'(?<=[\000-#%-,./:-@\[-^\140{-~-]return)(?:[\000-\011\013\014\0'
+        r'16-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*(?:((?:(?://[^\r'
+        r'\n]*)?[\r\n]))(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?'
+        r':[^/*][^*]*\*+)*/))*)*((?:/(?![\r\n/*])[^/\\\[\r\n]*(?:(?:\\[^'
+        r'\r\n]|(?:\[[^\\\]\r\n]*(?:\\[^\r\n][^\\\]\r\n]*)*\]))[^/\\\[\r'
+        r'\n]*)*/))((?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/'
+        r'*][^*]*\*+)*/))*(?:(?:(?://[^\r\n]*)?[\r\n])(?:[\000-\011\013'
+        r'\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)+(?=[^\000'
+        r'-\040&)+,.:;=?\]|}-]))?|(?<=[^\000-!#%&(*,./:-@\[\\^{|~])(?:['
+        r'\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)'
+        r')*(?:((?:(?://[^\r\n]*)?[\r\n]))(?:[\000-\011\013\014\016-\040'
+        r']|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)+(?=[^\000-\040"#%-\047'
+        r')*,./:-@\\-^\140|-~])|(?<=[^\000-#%-,./:-@\[-^\140{-~-])((?:['
+        r'\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)'
+        r'))+(?=[^\000-#%-,./:-@\[-^\140{-~-])|(?<=\+)((?:[\000-\011\013'
+        r'\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/)))+(?=\+)|(?<'
+        r'=-)((?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]'
+        r'*\*+)*/)))+(?=-)|(?:[\000-\011\013\014\016-\040]|(?:/\*[^*]*\*'
+        r'+(?:[^/*][^*]*\*+)*/))+|(?:(?:(?://[^\r\n]*)?[\r\n])(?:[\000-'
+        r'\011\013\014\016-\040]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)+', subber, '\n%s\n' % script
     ).strip()
     return result