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fix compiler crash when comptime parsing targets

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This commit is contained in:
Andrew Kelley 2020-02-28 15:41:30 -05:00
parent 500dde32d5
commit 578dc16910
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GPG Key ID: 7C5F548F728501A9
1 changed files with 30 additions and 9 deletions
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39
src/analyze.cpp
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@ -5401,6 +5401,8 @@ bool generic_fn_type_id_eql(GenericFnTypeId *a, GenericFnTypeId *b) {
static bool can_mutate_comptime_var_state(ZigValue *value) {
assert(value != nullptr);
if (value->special == ConstValSpecialUndef)
return false;
switch (value->type->id) {
case ZigTypeIdInvalid:
zig_unreachable();
@ -6701,8 +6703,16 @@ bool const_values_equal_ptr(ZigValue *a, ZigValue *b) {
}
static bool const_values_equal_array(CodeGen *g, ZigValue *a, ZigValue *b, size_t len) {
assert(a->data.x_array.special != ConstArraySpecialUndef);
assert(b->data.x_array.special != ConstArraySpecialUndef);
if (a->data.x_array.special == ConstArraySpecialUndef &&
b->data.x_array.special == ConstArraySpecialUndef)
{
return true;
}
if (a->data.x_array.special == ConstArraySpecialUndef ||
b->data.x_array.special == ConstArraySpecialUndef)
{
return false;
}
if (a->data.x_array.special == ConstArraySpecialBuf &&
b->data.x_array.special == ConstArraySpecialBuf)
{
@ -9390,13 +9400,24 @@ void copy_const_val(CodeGen *g, ZigValue *dest, ZigValue *src) {
dest->data.x_struct.fields[i]->parent.data.p_struct.field_index = i;
}
} else if (dest->type->id == ZigTypeIdArray) {
if (dest->data.x_array.special == ConstArraySpecialNone) {
dest->data.x_array.data.s_none.elements = g->pass1_arena->allocate<ZigValue>(dest->type->data.array.len);
for (uint64_t i = 0; i < dest->type->data.array.len; i += 1) {
copy_const_val(g, &dest->data.x_array.data.s_none.elements[i], &src->data.x_array.data.s_none.elements[i]);
dest->data.x_array.data.s_none.elements[i].parent.id = ConstParentIdArray;
dest->data.x_array.data.s_none.elements[i].parent.data.p_array.array_val = dest;
dest->data.x_array.data.s_none.elements[i].parent.data.p_array.elem_index = i;
switch (dest->data.x_array.special) {
case ConstArraySpecialNone: {
dest->data.x_array.data.s_none.elements = g->pass1_arena->allocate<ZigValue>(dest->type->data.array.len);
for (uint64_t i = 0; i < dest->type->data.array.len; i += 1) {
copy_const_val(g, &dest->data.x_array.data.s_none.elements[i], &src->data.x_array.data.s_none.elements[i]);
dest->data.x_array.data.s_none.elements[i].parent.id = ConstParentIdArray;
dest->data.x_array.data.s_none.elements[i].parent.data.p_array.array_val = dest;
dest->data.x_array.data.s_none.elements[i].parent.data.p_array.elem_index = i;
}
break;
}
case ConstArraySpecialUndef: {
// Nothing to copy; the above memcpy did everything we needed.
break;
}
case ConstArraySpecialBuf: {
dest->data.x_array.data.s_buf = buf_create_from_buf(src->data.x_array.data.s_buf);
break;
}
}
} else if (type_has_optional_repr(dest->type) && dest->data.x_optional != nullptr) {