From bf73516259b3028ade4b9e48499e988523f52542 Mon Sep 17 00:00:00 2001
From: Elliott Sales de Andrade <quantum.analyst@gmail.com>
Date: Mon, 28 Aug 2023 04:19:19 -0400
Subject: [PATCH] compiler: Handle nil array and struct constants

This is necessary for tools 0.9.0, which started lifting those since
https://github.com/golang/tools/commit/71ea8f168c160da91116b4ddbd577a8fc95aa334
---
 compiler/compiler.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/compiler/compiler.go b/compiler/compiler.go
index 6dd43935..cb3a892a 100644
--- a/compiler/compiler.go
+++ b/compiler/compiler.go
@@ -3005,6 +3005,11 @@ func (c *compilerContext) createConst(expr *ssa.Const, pos token.Pos) llvm.Value
 			panic("expected nil pointer constant")
 		}
 		return llvm.ConstPointerNull(c.getLLVMType(typ))
+	case *types.Array:
+		if expr.Value != nil {
+			panic("expected nil array constant")
+		}
+		return llvm.ConstNull(c.getLLVMType(expr.Type()))
 	case *types.Slice:
 		if expr.Value != nil {
 			panic("expected nil slice constant")
@@ -3018,6 +3023,11 @@ func (c *compilerContext) createConst(expr *ssa.Const, pos token.Pos) llvm.Value
 			llvmLen, // cap
 		}, false)
 		return slice
+	case *types.Struct:
+		if expr.Value != nil {
+			panic("expected nil struct constant")
+		}
+		return llvm.ConstNull(c.getLLVMType(expr.Type()))
 	case *types.Map:
 		if !expr.IsNil() {
 			// I believe this is not allowed by the Go spec.