Provide basic static analyzer support for CXXTemporaryObjectExpr. Patch by Jim Goodnow II.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141433 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp
index da9b705..11719c3 100644
--- a/lib/StaticAnalyzer/Core/ExprEngine.cpp
+++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -455,7 +455,6 @@
case Stmt::CXXDependentScopeMemberExprClass:
case Stmt::CXXForRangeStmtClass:
case Stmt::CXXPseudoDestructorExprClass:
- case Stmt::CXXTemporaryObjectExprClass:
case Stmt::CXXThrowExprClass:
case Stmt::CXXTryStmtClass:
case Stmt::CXXTypeidExprClass:
@@ -628,6 +627,7 @@
break;
}
+ case Stmt::CXXTemporaryObjectExprClass:
case Stmt::CXXConstructExprClass: {
const CXXConstructExpr *C = cast<CXXConstructExpr>(S);
// For block-level CXXConstructExpr, we don't have a destination region.
diff --git a/test/Analysis/misc-ps-cxx0x.cpp b/test/Analysis/misc-ps-cxx0x.cpp
index 1089fa7..e840bb0 100644
--- a/test/Analysis/misc-ps-cxx0x.cpp
+++ b/test/Analysis/misc-ps-cxx0x.cpp
@@ -21,3 +21,27 @@
RDar10243398MemberFn q = &RDar10243398::bar;
((*p).*(q))(1);
}
+
+// Tests for CXXTemporaryObjectExpr.
+struct X {
+ X( int *ip, int );
+};
+
+// Test to see if CXXTemporaryObjectExpr is being handled.
+int tempobj1()
+{
+ int j;
+ int i;
+ X a = X( &j, 1 );
+
+ return i; // expected-warning {{Undefined or garbage value returned to caller}}
+}
+
+// Test to see if CXXTemporaryObjectExpr invalidates arguments.
+int tempobj2()
+{
+ int j;
+ X a = X( &j, 1 );
+
+ return j; // no-warning
+}