[LLDB] Fix handling for the clang name mangling extension for block invocations

Add support for clangs  mangling extension for block invocations.

Differential Revision: https://reviews.llvm.org/D69738

1 files changed, 11 insertions, 0 deletions

diff --git a/lldb/unittests/Core/MangledTest.cpp b/lldb/unittests/Core/MangledTest.cpp
index f1ea6a04df9..2e1f3db8abe 100644
--- a/lldb/unittests/Core/MangledTest.cpp
+++ b/lldb/unittests/Core/MangledTest.cpp
@@ -37,6 +37,17 @@ TEST(MangledTest, ResultForValidName) {
   EXPECT_STREQ(ExpectedResult.GetCString(), TheDemangled.GetCString());
 }
 
+TEST(MangledTest, ResultForBlockInvocation) {
+  ConstString MangledName("___Z1fU13block_pointerFviE_block_invoke");
+  Mangled TheMangled(MangledName);
+  ConstString TheDemangled =
+      TheMangled.GetDemangledName(eLanguageTypeC_plus_plus);
+
+  ConstString ExpectedResult(
+      "invocation function for block in f(void (int) block_pointer)");
+  EXPECT_STREQ(ExpectedResult.GetCString(), TheDemangled.GetCString());
+}
+
 TEST(MangledTest, EmptyForInvalidName) {
   ConstString MangledName("_ZN1a1b1cmxktpEEvm");
   Mangled TheMangled(MangledName);