tracing via debug_traceCall with blockOverrides causes a previous block hash of 0 #32175
Description
System information
Geth version: v1.16.1
CL client & version: n/a
OS & Version: osx
Expected behaviour
the solidity blockhash(block.number - 1) will read the latest block hash. i.e. the block overrides are applied to the block context when it's created: vmctx := core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil).
Actual behaviour
blockhash(block.number - 1) returns a blockhash of 0.
Steps to reproduce the behaviour
attempt to trace a contract call that uses blockhash(block.number - 1) via debug_traceCall when the block number is overridden to pending (latest + 1). blockhash(block.number - 1) will always return 0.
this behavior allows malicious contract code to detect that it's running in a simulation.