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

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@@ -0,0 +1,11 @@
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+declare ptr @malloc(i64)
+
+define ptr @_ZnwmRKSt9nothrow_t(i64 %size, ptr %0) {
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eleviant wrote:

Originally it was in separate source file (as part of larger C++ program), but as we don't run optimizations on source IR this "operator new" won't be converted to calloc by opt, so we can safely move it to main input file. I'll update the patch.

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