Use a cache when generating the map header to minimize stack wastage

1 files changed, 3 insertions, 2 deletions

diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index 8bbbb0c56..9e8158a88 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -121,8 +121,9 @@ lbProcedure *lb_create_procedure(lbModule *m, Entity *entity, bool ignore_body)
 	p->branch_blocks.allocator = a;
 	p->context_stack.allocator = a;
 	p->scope_stack.allocator   = a;
-	map_init(&p->selector_values, a, 0);
-	map_init(&p->selector_addr,   a, 0);
+	map_init(&p->selector_values,  a, 0);
+	map_init(&p->selector_addr,    a, 0);
+	map_init(&p->map_header_cache, a, 0);
 
 	if (p->is_foreign) {
 		lb_add_foreign_library_path(p->module, entity->Procedure.foreign_library);