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fix crash on runtime index into slice of comptime type

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closes #1435
This commit is contained in:
Andrew Kelley
2018-09-25 12:03:39 -04:00
parent 839492d0e8
commit 2e562a5f36
3 changed files with 27 additions and 2 deletions
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6
src/ir.cpp
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@@ -14640,6 +14640,12 @@ static ZigType *ir_analyze_instruction_elem_ptr(IrAnalyze *ira, IrInstructionEle
} else {
// runtime known element index
if (type_requires_comptime(return_type)) {
ir_add_error(ira, elem_index,
buf_sprintf("values of type '%s' must be comptime known, but index value is runtime known",
buf_ptr(&return_type->data.pointer.child_type->name)));
return ira->codegen->builtin_types.entry_invalid;
}
if (ptr_align < abi_align) {
if (elem_size >= ptr_align && elem_size % ptr_align == 0) {
return_type = adjust_ptr_align(ira->codegen, return_type, ptr_align);