Extremely slow Clang + Valgrind on macOS x86_64 #1757
Description
The "x86_64: macOS Ventura, Valgrind (clang)" CI job takes more than 40 min:
- https://github.com/bitcoin-core/secp256k1/actions/runs/18495253559/job/52697859721
- https://github.com/bitcoin-core/secp256k1/actions/runs/18507649867/job/52740457457
However, "x86_64: macOS Ventura, Valgrind (gcc)" takes less than 20 min: