[flang] [llvm] [flang-rt] Runtime implementation of extended intrinsic function SECNDS() (PR #152021)

[Andre Kuhlenschmidt via llvm-commits]

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@@ -67,6 +67,8 @@ std::int32_t RTNAME(Hostnm)(
 std::int32_t RTNAME(PutEnv)(
     const char *str, size_t str_length, const char *sourceFile, int line);
 
+float RTNAME(Secnds)(float *refTime, const char *sourceFile, int line);
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akuhlens wrote:

This should be moved over to extensions.h.

https://github.com/llvm/llvm-project/pull/152021