[clang] [C11] Implement WG14 N1285 (temporary lifetimes) (PR #133472)

[Eli Friedman via cfe-commits]

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@@ -0,0 +1,212 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+// RUN: %clang_cc1 -std=c99 -Wno-dangling -emit-llvm -o - %s | FileCheck %s --check-prefix=C99
+// RUN: %clang_cc1 -std=c11 -Wno-dangling -emit-llvm -o - %s | FileCheck %s --check-prefix=C11
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efriedma-quic wrote:

We probably want some tests with optimization enabled, to show the lifetime markers.

https://github.com/llvm/llvm-project/pull/133472