File: rvo.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (25 lines) | stat: -rw-r--r-- 561 bytes parent folder | download | duplicates (23)
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
// RUN: %clang_analyze_cc1 -analyzer-checker core,cplusplus -std=c++14 \
// RUN:                    -analyzer-checker debug.ExprInspection -verify %s

void clang_analyzer_eval(bool);

struct A {
  int x;
};

A getA();

struct B {
  int *p;
  A a;

  B(int *p) : p(p), a(getA()) {}
};

void foo() {
  B b1(nullptr);
  clang_analyzer_eval(b1.p == nullptr); // expected-warning{{TRUE}}
  B b2(new int); // No leak yet!
  clang_analyzer_eval(b2.p == nullptr); // expected-warning{{FALSE}}
  // expected-warning@-1{{Potential leak of memory pointed to by 'b2.p'}}
}