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b566ac2c47
add test for codegen of SIMD vector from array repeat fixes https://github.com/rust-lang/rust/issues/97804 It appears that this issue was fixed silently in LLVM 19. The original codegen was terrible, but starting at LLVM 19 `opt` is able to generate good code. https://llvm.godbolt.org/z/5vq8scP6q cc @programmerjake