[PATCH] D55528: [analyzer] Resolve another bug where the name of the leaked object was not printed properly

George Karpenkov via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Dec 10 17:16:26 PST 2018


This revision was automatically updated to reflect the committed changes.
Closed by commit rC348819: [analyzer] Resolve another bug where the name of the leaked object was not… (authored by george.karpenkov, committed by ).
Herald added a subscriber: cfe-commits.

Changed prior to commit:
  https://reviews.llvm.org/D55528?vs=177601&id=177631#toc

Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55528/new/

https://reviews.llvm.org/D55528

Files:
  lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
  test/Analysis/osobject-retain-release.cpp


Index: lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
===================================================================
--- lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
+++ lib/StaticAnalyzer/Checkers/RetainCountChecker/RetainCountDiagnostics.cpp
@@ -405,11 +405,11 @@
 
     if (FB) {
       const MemRegion *R = FB.getRegion();
-      const VarRegion *VR = R->getBaseRegion()->getAs<VarRegion>();
       // Do not show local variables belonging to a function other than
       // where the error is reported.
-      if (!VR || VR->getStackFrame() == LeakContext->getStackFrame())
-        FirstBinding = R;
+      if (auto MR = dyn_cast<StackSpaceRegion>(R->getMemorySpace()))
+        if (MR->getStackFrame() == LeakContext->getStackFrame())
+          FirstBinding = R;
     }
 
     // AllocationNode is the last node in which the symbol was tracked.
Index: test/Analysis/osobject-retain-release.cpp
===================================================================
--- test/Analysis/osobject-retain-release.cpp
+++ test/Analysis/osobject-retain-release.cpp
@@ -153,8 +153,8 @@
 
 unsigned int check_leak_explicit_new() {
   OSArray *arr = new OSArray; // expected-note{{Operator new returns an OSObject of type OSArray with a +1 retain count}}
-  return arr->getCount(); // expected-note{{Object leaked: allocated object of type OSArray is not referenced later in this execution path and has a retain count of +1}}
-                          // expected-warning at -1{{Potential leak of an object of type OSArray}}
+  return arr->getCount(); // expected-note{{Object leaked: object allocated and stored into 'arr' is not referenced later in this execution path and has a retain count of +1}}
+                          // expected-warning at -1{{Potential leak of an object stored into 'arr'}}
 }
 
 unsigned int check_leak_factory() {


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