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Fix #5107

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Fixes #5107 by checking whether `result_count` is non-zero before indexing `type->Proc.results->Tuple.variables`.
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Jeroen van Rijn
2025-05-03 14:42:20 +02:00
parent 30c6fea9e9
commit 9681d88cd3
1 changed files with 1 additions and 1 deletions
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src/check_expr.cpp
+1 -1
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@@ -8143,7 +8143,7 @@ gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *c
type = pt; type = pt;
} }
type = base_type(type); type = base_type(type);
if (type->kind == Type_Proc && type->Proc.optional_ok) { if (type->kind == Type_Proc && type->Proc.optional_ok && type->Proc.result_count > 0) {
operand->mode = Addressing_OptionalOk; operand->mode = Addressing_OptionalOk;
operand->type = type->Proc.results->Tuple.variables[0]->type; operand->type = type->Proc.results->Tuple.variables[0]->type;
if (operand->expr != nullptr && operand->expr->kind == Ast_CallExpr) { if (operand->expr != nullptr && operand->expr->kind == Ast_CallExpr) {