From 8ece6dc4356abe76d3cd7b4742d01f53a95a8e3b Mon Sep 17 00:00:00 2001
From: Chris Mihelich <cmihelic@google.com>
Date: Wed, 5 Jun 2024 11:26:26 -0700
Subject: Demangle nx... syntax for noexcept(e) as an expression in a dependent
 signature.

PiperOrigin-RevId: 640590102
Change-Id: I2641cddd35119062328a197162bb700d8309fc05
---
 absl/debugging/internal/demangle_test.cc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'absl/debugging/internal/demangle_test.cc')

diff --git a/absl/debugging/internal/demangle_test.cc b/absl/debugging/internal/demangle_test.cc
index a91935f4..5dc2d03b 100644
--- a/absl/debugging/internal/demangle_test.cc
+++ b/absl/debugging/internal/demangle_test.cc
@@ -1128,6 +1128,21 @@ TEST(Demangle, AlignofExpression) {
   EXPECT_STREQ("f<>()", tmp);
 }
 
+TEST(Demangle, NoexceptExpression) {
+  char tmp[80];
+
+  // Source:
+  //
+  // template <class T> void f(T (&a)[noexcept(T{})]) {}
+  // template void f<int>(int (&)[noexcept(int{})]);
+  //
+  // Full LLVM demangling of the instantiation of f:
+  //
+  // void f<int>(int (&) [noexcept (int{})])
+  EXPECT_TRUE(Demangle("_Z1fIiEvRAnxtlT_E_S0_", tmp, sizeof(tmp)));
+  EXPECT_STREQ("f<>()", tmp);
+}
+
 TEST(Demangle, ThreadLocalWrappers) {
   char tmp[80];
 
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