binutils:fuzz_as: Use-of-uninitialized-value in S_IS_DEFINED

Detailed Report: https://oss-fuzz.com/testcase?key=6538440541077504 Project: binutils Fuzzing Engine: libFuzzer Fuzz Target: fuzzas Job Type: libfuzzermsanbinutils Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: SISDEFINED checkehframe emitexprwithreloc...