Add nicer error messages for sparse #3977

Job	Run time
Enzyme CI LLVM 11 Release ubuntu-20.04	4m 31s
Enzyme CI LLVM 11 Debug ubuntu-20.04	4m 9s
Enzyme CI LLVM 12 Release ubuntu-20.04	6m 33s
Enzyme CI LLVM 12 Debug ubuntu-20.04	3m 56s
Enzyme CI LLVM 13 Release ubuntu-20.04	6m 3s
Enzyme CI LLVM 13 Debug ubuntu-20.04	3m 38s
Enzyme CI LLVM 14 Release ubuntu-20.04	7m 18s
Enzyme CI LLVM 11 Release macOS	10m 8s
Enzyme CI LLVM 14 Debug ubuntu-20.04	8m 6s
Enzyme CI LLVM 11 Debug macOS	8m 13s
Enzyme CI LLVM 15 Release ubuntu-20.04	8m 9s
Enzyme CI LLVM 12 Release macOS	9m 18s
Enzyme CI LLVM 15 Debug ubuntu-20.04	8m 0s
Enzyme CI LLVM 12 Debug macOS	6m 44s
Enzyme CI LLVM 16 Release ubuntu-20.04	6m 58s
Enzyme CI LLVM 13 Release macOS	6m 7s
Enzyme CI LLVM 16 Debug ubuntu-20.04	6m 13s
Enzyme CI LLVM 13 Debug macOS	3m 49s
Enzyme CI LLVM 14 Release macOS	12m 9s
Enzyme CI LLVM 14 Debug macOS	13m 37s
Enzyme CI LLVM 13 Release macOS XCode	2m 48s
Enzyme CI LLVM 15 Release macOS	12m 50s
Enzyme CI LLVM 15 Debug macOS	6m 15s
	2h 45m 32s

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