File: warn-lifetime-analysis-nocfg-disabled.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (23 lines) | stat: -rw-r--r-- 537 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clang_cc1 -fsyntax-only -Wno-dangling-gsl -Wreturn-stack-address -verify %s

struct [[gsl::Owner(int)]] MyIntOwner {
  MyIntOwner();
  int &operator*();
};

struct [[gsl::Pointer(int)]] MyIntPointer {
  MyIntPointer(int *p = nullptr);
  MyIntPointer(const MyIntOwner &);
  int &operator*();
  MyIntOwner toOwner();
};

int &f() {
  int i;
  return i; // expected-warning {{reference to stack memory associated with local variable 'i' returned}}
}

MyIntPointer g() {
  MyIntOwner o;
  return o; // No warning, it is disabled.
}