llvm-project

861dc29d - [Headers][X86] Allow AVX vector concatenation intrinsics to be used in constexpr (#158020)

[Headers][X86] Allow AVX vector concatenation intrinsics to be used in constexpr (#158020) Fix #157705 Vector concatentation intrinsics made constexpr and test coverage added to avx-builtins.c for the following: ``` _mm256_set_m128 _mm256_setr_m128 _mm256_set_m128d _mm256_setr_m128d _mm256_set_m128i _mm256_setr_m128i ```