[GROOVY-10031] Compiler writes multianewarray instruction for all non-initializer array allocations

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 4.0.0-alpha-3
• Component/s: bytecode
• Assignee: Eric Milles
• Reporter: Eric Milles
• Created: 11/Apr/21 15:43
• Updated: 02/May/21 09:18
• Resolved: 12/Apr/21 13:52

Description

AsmClassGenerator#visitArrayExpression chooses the multianewarray instruction for all size-based array allocations. The anewarray instruction is available for one-dimensional arrays.

String[] strings = new String[0]
//     n  iconst_0
//   n+1  multianewarray java.lang.String[]
// vs.
//     n  iconst_0
//   n+1  anewarray java.lang.String