From 29fe9b4d1e59b0924afa0606fae767a545b14ba7 Mon Sep 17 00:00:00 2001 From: OBattler Date: Sun, 18 Jun 2023 23:54:25 +0200 Subject: [PATCH] Added a sanity check to codegen_new/codegen.h. --- src/codegen_new/codegen.h | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/src/codegen_new/codegen.h b/src/codegen_new/codegen.h index 607a2e4ee..547f867e3 100644 --- a/src/codegen_new/codegen.h +++ b/src/codegen_new/codegen.h @@ -140,12 +140,16 @@ codeblock_tree_add(codeblock_t *new_block) block = block->right ? &codeblock[block->right] : NULL; } - if (a < old_block_cmp) - old_block->left = get_block_nr(new_block); - else - old_block->right = get_block_nr(new_block); + if (old_block != NULL) { + if (a < old_block_cmp) + old_block->left = get_block_nr(new_block); + else + old_block->right = get_block_nr(new_block); + + new_block->parent = get_block_nr(old_block); + } else + new_block->parent = BLOCK_INVALID; - new_block->parent = get_block_nr(old_block); new_block->left = new_block->right = BLOCK_INVALID; } }