diff options
Diffstat (limited to 'src/ir.cpp')
| -rw-r--r-- | src/ir.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/ir.cpp b/src/ir.cpp index ea87999454..211af9a758 100644 --- a/src/ir.cpp +++ b/src/ir.cpp @@ -22949,12 +22949,20 @@ static IrInstruction *ir_analyze_instruction_slice(IrAnalyze *ira, IrInstruction if (parent_ptr == nullptr) return ira->codegen->invalid_instruction; - array_val = const_ptr_pointee(ira, ira->codegen, parent_ptr, instruction->base.source_node); - if (array_val == nullptr) - return ira->codegen->invalid_instruction; - rel_end = child_array_type->data.array.len; - abs_offset = 0; + if (parent_ptr->special == ConstValSpecialUndef) { + array_val = nullptr; + abs_offset = 0; + rel_end = SIZE_MAX; + ptr_is_undef = true; + } else { + array_val = const_ptr_pointee(ira, ira->codegen, parent_ptr, instruction->base.source_node); + if (array_val == nullptr) + return ira->codegen->invalid_instruction; + + rel_end = child_array_type->data.array.len; + abs_offset = 0; + } } else { array_val = const_ptr_pointee(ira, ira->codegen, &ptr_ptr->value, instruction->base.source_node); if (array_val == nullptr) |