[libclc] libclc: do not use int64 in sincos helpers (PR #188056)

[Matt Arsenault via cfe-commits]

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@@ -22,6 +22,18 @@
 #include "clc/relational/clc_isinf.h"
 #include "clc/relational/clc_isnan.h"
 
+#if defined(CLC_CLSPV)
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arsenm wrote:

How did this fail? If int64 isn't allowed, the type shouldn't be defined and rejected. This shouldn't really be a CLSPV check, is there something more direct? tt

https://github.com/llvm/llvm-project/pull/188056