File: p1-var.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 (21 lines) | stat: -rw-r--r-- 567 bytes parent folder | download | duplicates (42) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// RUN: %clang_cc1 -fsyntax-only -verify %s

// C++ [basic.def.odr]p1:
//   No translation unit shall contain more than one definition of any
//   variable, [...].

// Bad: in C++, these are both definitions. None of that C99 tentative stuff.
int i; // expected-note {{previous}}
int i; // expected-error {{redefinition}}

// OK: decl + def
extern int j;
int j;

// OK: def + decl
int k;
extern int k;

// Bad. The important thing here is that we don't emit the diagnostic twice.
int l = 1; // expected-note {{previous}}
int l = 2; // expected-error {{redefinition}}