aboutsummaryrefslogtreecommitdiff
path: root/clang/test/Analysis/lambdas-modern.cpp
blob: ce75acf087174ec2f574d2545f11033e0b724f3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
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}}
}