[GROOVY-6078] Chained null-safe navigation is broken in CompileStatic mode

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.2
• Fix Version/s: 2.1.3
• Component/s: Static Type Checker
• Assignee: Cédric Champeau
• Reporter: Lari Hotari
• Created: 03/Apr/13 02:50
• Updated: 12/Apr/13 16:55
• Resolved: 03/Apr/13 15:19

Description

Chained elvis is broken in CompileStatic mode. Here's an example that reproduces the problem:

@groovy.transform.CompileStatic
def elvisNPE() {
    Map<String, Map<String,Integer>> m=[:]
    // this is ok
    println m?.a 
    // throws NPE   
    println m?.a?.b
}
elvisNPE()