[analyzer] Move unexecuted test block into it's own source file

Inside lambdas.cpp a block of code wasn't executed,
because it required the standard to be at least c++14.
This patch moves this block of code into it's own
source file and makes sure it's tested.

Differential Revision: https://reviews.llvm.org/D135965

diff --git a/clang/test/Analysis/lambdas-modern.cpp b/clang/test/Analysis/lambdas-modern.cpp
new file mode 100644 (file)
index 0000000..ce75acf
--- /dev/null
+++ b/clang/test/Analysis/lambdas-modern.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_analyze_cc1 -std=c++14 -analyzer-checker=core,debug.ExprInspection -analyzer-config inline-lambdas=true -verify %s
+// RUN: %clang_analyze_cc1 -std=c++17 -analyzer-checker=core,debug.ExprInspection -analyzer-config inline-lambdas=true -verify %s
+
+#include "Inputs/system-header-simulator-cxx.h"
+
+void clang_analyzer_warnIfReached();
+void clang_analyzer_eval(int);
+
+// Capture copy elided object.
+struct Elided{
+  int x = 14;
+  Elided(int) {}
+};
+
+void testCopyElidedObjectCaptured(int x) {
+  int r = [e = Elided(x)] {
+    return e.x;
+  }();
+  
+  clang_analyzer_eval(r == 14); // expected-warning{{TRUE}}
+}
+
+static auto MakeUniquePtr() { return std::make_unique<std::vector<int>>(); }
+
+void testCopyElidedUniquePtr() {
+  [uniquePtr = MakeUniquePtr()] {}();
+  clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+}

diff --git a/clang/test/Analysis/lambdas.cpp b/clang/test/Analysis/lambdas.cpp
index b1d9784..f86a6d4 100644 (file)
--- a/clang/test/Analysis/lambdas.cpp
+++ b/clang/test/Analysis/lambdas.cpp
@@ -205,29 +205,6 @@ void testVariableLengthArrayCaptured() {
   clang_analyzer_eval(i == 7); // expected-warning{{TRUE}}
 }
 
-#if __cplusplus >= 201402L
-// Capture copy elided object.
-
-struct Elided{
-  int x = 0;
-  Elided(int) {}
-};
-
-void testCopyElidedObjectCaptured(int x) {
-  [e = Elided(x)] {
-    clang_analyzer_eval(e.x == 0); // expected-warning{{TRUE}}
-  }();
-}
-
-static auto MakeUniquePtr() { return std::make_unique<std::vector<int>>(); }
-
-void testCopyElidedUniquePtr() {
-  [uniquePtr = MakeUniquePtr()] {}();
-  clang_analyzer_warnIfReached(); // expected-warning{{TRUE}}
-}
-
-#endif
-
 // Test inline defensive checks
 int getNum();