stage1: Fix missing runtime safety check for intToPtr

Elide the alignment check if the pointer alignment is one, the null
check must be preserved as it depends on the pointer type.

Fixes #6667

1 files changed, 2 insertions, 2 deletions

diff --git a/src/stage1/codegen.cpp b/src/stage1/codegen.cpp
index 9ed2ba9d73..5e9b84d25a 100644
--- a/src/stage1/codegen.cpp
+++ b/src/stage1/codegen.cpp
@@ -3379,7 +3379,7 @@ static LLVMValueRef ir_render_int_to_ptr(CodeGen *g, IrExecutableGen *executable
     LLVMValueRef target_val = ir_llvm_value(g, instruction->target);
     const uint32_t align_bytes = get_ptr_align(g, wanted_type);
 
-    if (ir_want_runtime_safety(g, &instruction->base) && align_bytes > 1) {
+    if (ir_want_runtime_safety(g, &instruction->base)) {
         ZigType *usize = g->builtin_types.entry_usize;
         LLVMValueRef zero = LLVMConstNull(usize->llvm_type);
 
@@ -3395,7 +3395,7 @@ static LLVMValueRef ir_render_int_to_ptr(CodeGen *g, IrExecutableGen *executable
             LLVMPositionBuilderAtEnd(g->builder, ok_block);
         }
 
-        {
+        if (align_bytes > 1) {
             LLVMValueRef alignment_minus_1 = LLVMConstInt(usize->llvm_type, align_bytes - 1, false);
             LLVMValueRef anded_val = LLVMBuildAnd(g->builder, target_val, alignment_minus_1, "");
             LLVMValueRef is_ok_bit = LLVMBuildICmp(g->builder, LLVMIntEQ, anded_val, zero, "");