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- Crash when creating $Type* where $Type is an optional type #2848

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- Crashes when using `io::EOF~!` in various unhandled places. #2848
This commit is contained in:
Christoffer Lerno
2026-01-27 13:32:08 +01:00
parent 3e76b7ff1c
commit 4fbb42833e
13 changed files with 365 additions and 26 deletions
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16
src/compiler/llvm_codegen_expr.c
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@@ -4452,7 +4452,7 @@ static inline void llvm_emit_force_unwrap_expr(GenContext *c, BEValue *be_value,
POP_CATCH();
// Emit success and to end.
llvm_emit_br(c, no_err_block);
bool emit_no_err = llvm_emit_br(c, no_err_block);
POP_CATCH();
@@ -4469,8 +4469,11 @@ static inline void llvm_emit_force_unwrap_expr(GenContext *c, BEValue *be_value,
vec_add(varargs, error_var_ref);
llvm_emit_panic(c, "Force unwrap failed!", loc, "Unexpected fault '%s' was unwrapped!", varargs);
}
llvm_emit_block(c, no_err_block);
EMIT_EXPR_LOC(c, expr);
if (emit_no_err)
{
llvm_emit_block(c, no_err_block);
EMIT_EXPR_LOC(c, expr);
}
}
@@ -4614,6 +4617,7 @@ void gencontext_emit_ternary_expr(GenContext *c, BEValue *value, Expr *expr)
Expr *cond = exprptr(expr->ternary_expr.cond);
llvm_emit_expr(c, value, cond);
llvm_value_rvalue(c, value);
RETURN_ON_EMPTY_BLOCK(value);
Expr *else_expr = exprptr(expr->ternary_expr.else_expr);
Expr *then_expr = exprptr(expr->ternary_expr.then_expr);
@@ -5992,6 +5996,7 @@ static void llvm_emit_call_expr(GenContext *c, BEValue *result_value, Expr *expr
{
llvm_emit_expr(c, value_ref, arg);
llvm_value_fold_optional(c, value_ref);
RETURN_ON_EMPTY_BLOCK(result_value);
continue;
}
Decl *decl = sig->params[i];
@@ -5999,11 +6004,13 @@ static void llvm_emit_call_expr(GenContext *c, BEValue *result_value, Expr *expr
if (vararg_splat)
{
llvm_emit_vasplat_expr(c, value_ref, vararg_splat, param);
RETURN_ON_EMPTY_BLOCK(result_value);
continue;
}
if (varargs)
{
llvm_emit_varargs_expr(c, value_ref, varargs, param);
RETURN_ON_EMPTY_BLOCK(result_value);
continue;
}
// Just set the size to zero.
@@ -6017,6 +6024,7 @@ static void llvm_emit_call_expr(GenContext *c, BEValue *result_value, Expr *expr
BEValue *value_ref = &values[arg_count + i];
llvm_emit_expr(c, value_ref, vararg);
llvm_value_fold_optional(c, value_ref);
RETURN_ON_EMPTY_BLOCK(result_value);
}
}
@@ -7016,10 +7024,12 @@ static void llvm_emit_make_any(GenContext *c, BEValue *value, Expr *expr)
llvm_emit_expr(c, value, expr->make_any_expr.inner);
llvm_value_rvalue(c, value);
RETURN_ON_EMPTY_BLOCK(value);
BEValue typeid_val;
Expr *typeid = expr->make_any_expr.typeid;
llvm_emit_expr(c, &typeid_val, typeid);
llvm_value_rvalue(c, &typeid_val);
RETURN_ON_EMPTY_BLOCK(value);
llvm_value_aggregate_two(c, value, expr->type, value->value, typeid_val.value);
}