bug: vm.blobHashes cheatcode incompatible with --gas-report/--isolate option

[just-mitch]

Component

Forge

Have you ensured that all of these are up to date?

• Foundry
• Foundryup

What version of Foundry are you on?

forge Version: 1.0.0-stable Commit SHA: e144b82 Build Timestamp: 2025-02-13T20:02:34.979686000Z (1739476954) Build Profile: maxperf

What version of Foundryup are you on?

foundryup: 1.0.0

What command(s) is the bug in?

forge test --gas-report

Operating System

macOS (Apple Silicon)

Describe the bug

Example Repo https://github.com/just-mitch/forge-blob-gas-report-issue

forge test works fine, but --gas-report or --isolate gives an evm revert.

Seems related to #7277

Also experienced on linux amd64.

[mattsse]

ref #9941

[zerosnacks]

Merging this ticket into #7277 as it is effectively the same block-level cheatcode incompatibility with --isoalte