From 1343b6d0d634397c33220e90fc469738f56b07c1 Mon Sep 17 00:00:00 2001
From: Chris Mihelich <cmihelic@google.com>
Date: Fri, 24 May 2024 07:28:17 -0700
Subject: Recognize C++ vendor extended expressions (e.g., u9__is_same...E).

PiperOrigin-RevId: 636911360
Change-Id: I525e25b90b91712b95ab7499425de85610ff9115
---
 absl/debugging/internal/demangle_test.cc | 12 ++++++++++++
 1 file changed, 12 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 8dcfb517..51e36642 100644
--- a/absl/debugging/internal/demangle_test.cc
+++ b/absl/debugging/internal/demangle_test.cc
@@ -387,6 +387,18 @@ TEST(Demangle, Spaceship) {
   EXPECT_STREQ("g<>()", tmp);
 }
 
+TEST(Demangle, VendorExtendedExpressions) {
+  char tmp[80];
+
+  // void f<__e()>()
+  EXPECT_TRUE(Demangle("_Z1fIXu3__eEEEvv", tmp, sizeof(tmp)));
+  EXPECT_STREQ("f<>()", tmp);
+
+  // void f<__e(int, long)>()
+  EXPECT_TRUE(Demangle("_Z1fIXu3__eilEEEvv", tmp, sizeof(tmp)));
+  EXPECT_STREQ("f<>()", tmp);
+}
+
 TEST(Demangle, DirectListInitialization) {
   char tmp[80];
 
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