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Tolk: Constant folding of negative shift emits <code>PUSHNAN</code> instead of preserving runtime exception

Status: Open.

#1974 In ton-blockchain/ton;

· Gusarich opened on Dec 18, 2025

Tolk: Constant folding of out-of-range shift emits <code>PUSHNAN</code> instead of preserving runtime exception

Status: Open.

#1973 In ton-blockchain/ton;

· Gusarich opened on Dec 18, 2025

Tolk: Constant folding emits invalid <code>256 PUSHPOW2</code> for out-of-range integer

Status: Open.

#1972 In ton-blockchain/ton;

· Gusarich opened on Dec 18, 2025

Tolk: Constant-folding <code>&lt;&lt; 0</code> removes NaN overflow check, changes runtime semantics

Status: Open.

#1971 In ton-blockchain/ton;

· Gusarich opened on Dec 18, 2025

Tolk: Self-assignment of lazy struct loses preserved tail, corrupts unloaded fields

Status: Open.

#1970 In ton-blockchain/ton;

· Gusarich opened on Dec 18, 2025

Tolk: <code>originalForwardFee</code> hardcodes workchain 0, breaks on masterchain

Status: Open.

#1967 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025

Tolk: <code>-O0</code> emits invalid <code>BOOLNOT</code> instruction for boolean negation

Status: Open.

#1966 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025

Tolk: Getter with single <code>InMessage</code> parameter ignores argument, reads from context instead

Status: Open.

#1965 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025

Tolk: <code>__expect_lazy</code> crashes compiler on any input

Status: Open.

#1964 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025

Tolk: Nullability analysis incorrectly assumes assignment in <code>||</code> right-hand side always executes

llm-fuzzing

TolkRelated to Tolk Language / compiler / toolingRelated to Tolk Language / compiler / tooling

Status: Open.

#1963 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025

Tolk: <code>__loadVarInt</code> crashes compiler with assertion failure instead of diagnostic

llm-fuzzing

TolkRelated to Tolk Language / compiler / toolingRelated to Tolk Language / compiler / tooling

Status: Open.

#1962 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025

Tolk: Empty binary literal <code>0b</code> silently compiles to zero

llm-fuzzing

TolkRelated to Tolk Language / compiler / toolingRelated to Tolk Language / compiler / tooling

Status: Open.

#1961 In ton-blockchain/ton;

· Gusarich opened on Dec 16, 2025