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Merge pull request #7394 from mfbulut/fix/or-else-diverging-single

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Fix or_else diverging with single return value
This commit is contained in:
gingerBill
2026-08-20 10:30:59 +02:00
committed by GitHub
parent 00a03e72b5 8f111671e6
commit 73bb97ceb4
2 changed files with 19 additions and 8 deletions
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9
src/llvm_backend_utility.cpp
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@@ -408,7 +408,9 @@ gb_internal void lb_emit_try_lhs_rhs(lbProcedure *p, Ast *arg, TypeAndValue cons
lbValue value = lb_build_expr(p, arg);
if (is_type_tuple(value.type)) {
i32 n = cast(i32)(value.type->Tuple.variables.count-1);
if (value.type->Tuple.variables.count == 2) {
if (value.type->Tuple.variables.count == 1) {
// No lhs
} else if (value.type->Tuple.variables.count == 2) {
lhs = lb_emit_tuple_ev(p, value, 0);
} else {
lbAddr lhs_addr = lb_add_local_generated(p, tv.type, false);
@@ -513,7 +515,10 @@ gb_internal lbValue lb_emit_or_else(lbProcedure *p, Ast *arg, Ast *else_expr, Ty
lb_emit_unreachable(p); // add just in case
lb_start_block(p, then);
return lb_emit_conv(p, lhs, type);
if (lhs.value != nullptr && type != nullptr) {
return lb_emit_conv(p, lhs, type);
}
return {};
} else {
if (lb_is_type_trivial(type) && lb_is_expr_trivial(else_expr)) {
lbValue has_value = lb_emit_try_has_value(p, rhs);