OSV-2025-447 Use-of-uninitialized-value in spvtools::EmitNumericLiteral

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=423059200 Crash type: Use-of-uninitialized-value Crash state: spvtools::EmitNumericLiteral spvtools::disassemble::InstructionDisassembler::EmitOperand spvtools::disassemble::InstructionDisassembler::EmitInstructionImpl...