[clang] [CIR] [WIP] Implement null check for CXXNewExpr (PR #192848)

[via cfe-commits]

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@@ -0,0 +1,96 @@
+// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
+// RUN: FileCheck --input-file=%t.cir %s
+// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll
+// RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s
+// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
+// RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s
+
+typedef __typeof__(sizeof(int)) size_t;
+
+namespace std {
+  struct nothrow_t {};
+}
+std::nothrow_t nothrow;
+
+void *operator new(size_t, const std::nothrow_t &) throw();
+void operator delete(void *, const std::nothrow_t &) throw();
+
+struct S {
+  S();
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AbdallahRashed wrote:

done 

https://github.com/llvm/llvm-project/pull/192848