From 0aa6d8f3185a4b8fbbad48759077cca272ddfff7 Mon Sep 17 00:00:00 2001
From: korvahkh <92224397+korvahkh@users.noreply.github.com>
Date: Wed, 24 Jun 2026 16:28:02 -0500
Subject: [PATCH] Fix #6885

Broadcasting `field = value` compound literals
would assert.
This is because we were checking for a
`field = value` compound before checking
if the types matched, and thus could broadcast.
---
 src/llvm_backend_const.cpp | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/llvm_backend_const.cpp b/src/llvm_backend_const.cpp
index 73e927e08..a314791c9 100644
--- a/src/llvm_backend_const.cpp
+++ b/src/llvm_backend_const.cpp
@@ -1609,7 +1609,17 @@ gb_internal lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, Ty
 			if (elem_count == 0 || !elem_type_can_be_constant(elem_type)) {
 				return lb_const_nil(m, original_type);
 			}
-			if (cl->elems[0]->kind == Ast_FieldValue) {
+			if (are_types_identical(value.value_compound->tav.type, elem_type)) {
+				// Compound is of array item type; expand its value to all items in array.
+				LLVMValueRef* values = gb_alloc_array(temporary_allocator(), LLVMValueRef, cast(isize)type->Array.count);
+
+				for (isize i = 0; i < type->Array.count; i++) {
+					values[i] = lb_const_value(m, elem_type, value, elem_type, cc).value;
+				}
+
+				res.value = lb_build_constant_array_values(m, type, elem_type, cast(isize)type->Array.count, values, cc);
+				return res;
+			} else if (cl->elems[0]->kind == Ast_FieldValue) {
 				// TODO(bill): This is O(N*M) and will be quite slow; it should probably be sorted before hand
 				LLVMValueRef *values = gb_alloc_array(temporary_allocator(), LLVMValueRef, cast(isize)type->Array.count);
 
@@ -1663,16 +1673,6 @@ gb_internal lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, Ty
 					}
 				}
 
-				res.value = lb_build_constant_array_values(m, type, elem_type, cast(isize)type->Array.count, values, cc);
-				return res;
-			} else if (are_types_identical(value.value_compound->tav.type, elem_type)) {
-				// Compound is of array item type; expand its value to all items in array.
-				LLVMValueRef* values = gb_alloc_array(temporary_allocator(), LLVMValueRef, cast(isize)type->Array.count);
-
-				for (isize i = 0; i < type->Array.count; i++) {
-					values[i] = lb_const_value(m, elem_type, value, elem_type, cc).value;
-				}
-
 				res.value = lb_build_constant_array_values(m, type, elem_type, cast(isize)type->Array.count, values, cc);
 				return res;
 			} else {