CHECK 1 done

Fix panic in LLVM backend when using generic procedure with default arguments

- Fixed panic in `llvm_backend_proc.cpp` when using unspecialized polymorphic procedures as defaults.
- Ensured correct type inference when generic procedures are used as default parameters.

1 files changed, 10 insertions, 2 deletions

diff --git a/src/llvm_backend_general.cpp b/src/llvm_backend_general.cpp
index 421720c4c..41a6fb34a 100644
--- a/src/llvm_backend_general.cpp
+++ b/src/llvm_backend_general.cpp
@@ -885,8 +885,8 @@ gb_internal void lb_addr_store(lbProcedure *p, lbAddr addr, lbValue value) {
 			Type *t = base_type(type_deref(addr.addr.type));
 			GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
 			lbValue len = lb_soa_struct_len(p, addr.addr);
-			if (addr.soa.index_expr != nullptr) {
-				lb_emit_bounds_check(p, ast_token(addr.soa.index_expr), index, len);
+			if (addr.soa.index_expr != nullptr && (!lb_is_const(addr.soa.index) || t->Struct.soa_kind != StructSoa_Fixed)) {
+				lb_emit_bounds_check(p, ast_token(addr.soa.index_expr), addr.soa.index, len);
 			}
 		}
 
@@ -2728,6 +2728,14 @@ gb_internal lbValue lb_find_procedure_value_from_entity(lbModule *m, Entity *e)
 	ignore_body = other_module != m;
 
 	lbProcedure *missing_proc = lb_create_procedure(m, e, ignore_body);
+	if (missing_proc == nullptr) {
+		// This is an unspecialized polymorphic procedure, which should not be codegen'd
+		lbValue dummy = {};
+		dummy.value = nullptr;
+		dummy.type = nullptr;
+		return dummy;
+	}
+
 	if (ignore_body) {
 		mutex_lock(&gen->anonymous_proc_lits_mutex);
 		defer (mutex_unlock(&gen->anonymous_proc_lits_mutex));