[llvm] [ThinLTO] Don't mark calloc function dead (PR #72673)

[Teresa Johnson via llvm-commits]

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@@ -1344,6 +1344,7 @@ static const char *libcallRoutineNames[] = {
 #define HANDLE_LIBCALL(code, name) name,
 #include "llvm/IR/RuntimeLibcalls.def"
 #undef HANDLE_LIBCALL
+    "calloc",
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teresajohnson wrote:

Can we just add calloc into RuntimeLibcalls.def?

https://github.com/llvm/llvm-project/pull/72673