r372925 - Fix memory leak in DeclTest.

[Evgeniy Stepanov via cfe-commits]

Author: eugenis
Date: Wed Sep 25 15:38:20 2019
New Revision: 372925

URL: http://llvm.org/viewvc/llvm-project?rev=372925&view=rev
Log:
Fix memory leak in DeclTest.

Fixes a leak introduced in r372903, detected on the ASan bot.
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/35430/steps/check-clang%20asan/logs/stdio

Direct leak of 192 byte(s) in 1 object(s) allocated from:
    #0 0x561d88 in operator new(unsigned long) /b/sanitizer-x86_64-linux-fast/build/llvm-project/compiler-rt/lib/asan/asan_new_delete.cc:105
    #1 0x1a48779 in clang::ItaniumMangleContext::create(clang::ASTContext&, clang::DiagnosticsEngine&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/AST/ItaniumMangle.cpp:5134:10
    #2 0xdff000 in Decl_AsmLabelAttr_Test::TestBody() /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/unittests/AST/DeclTest.cpp:97:23

Modified:
    cfe/trunk/unittests/AST/DeclTest.cpp

Modified: cfe/trunk/unittests/AST/DeclTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/AST/DeclTest.cpp?rev=372925&r1=372924&r2=372925&view=diff
==============================================================================
--- cfe/trunk/unittests/AST/DeclTest.cpp (original)
+++ cfe/trunk/unittests/AST/DeclTest.cpp Wed Sep 25 15:38:20 2019
@@ -94,7 +94,8 @@ TEST(Decl, AsmLabelAttr) {
 
   // Mangle the decl names.
   std::string MangleF, MangleG;
-  MangleContext *MC = ItaniumMangleContext::create(Ctx, Diags);
+  std::unique_ptr<ItaniumMangleContext> MC(
+      ItaniumMangleContext::create(Ctx, Diags));
   {
     llvm::raw_string_ostream OS_F(MangleF);
     llvm::raw_string_ostream OS_G(MangleG);