[clang] Add support for builtin_verbose_trap (PR #79230)

Dan Liew via cfe-commits cfe-commits at lists.llvm.org
Thu Feb 1 14:10:19 PST 2024


================
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -fcxx-exceptions -verify %s
+
+#if !__has_builtin(__builtin_verbose_trap)
+#error
+#endif
+
+constexpr char const* constMsg1 = "hello";
+char const* const constMsg2 = "hello";
+char const constMsg3[] = "hello";
+
+template <const char * const str>
+void f(const char * arg) {
+  __builtin_verbose_trap("Argument_must_not_be_null");
----------------
delcypher wrote:

Imposing this length limit seems pretty arbitrary.  What's the actually restriction on the debug info/LLDB side? If there isn't one I don't think we should be adding an artificial limit without a good reason for it.

https://github.com/llvm/llvm-project/pull/79230


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