llvm-project

75fd5b0f - [X86] Add -fexperimental-new-constant-interpreter test coverage to the BITSCAN constexpr test files (#156070)

[X86] Add -fexperimental-new-constant-interpreter test coverage to the BITSCAN constexpr test files (#156070) Update tests to use builtin_test_helpers.h and the TEST_CONSTEXPR helper macro Partial fix for #155814