File: hidden-definition.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 (16 lines) | stat: -rw-r--r-- 678 bytes parent folder | download | duplicates (33)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: echo 'struct X {}; struct Y : X { friend int f(Y); };' > %t/a.h
// RUN: echo 'module a { header "a.h" }' > %t/map
// RUN: %clang_cc1 -fmodules -x c++ -emit-module -fmodule-name=a %t/map -o %t/a.pcm
// RUN: %clang_cc1 -fmodules -x c++ -verify -fmodule-file=%t/a.pcm %s -fno-modules-error-recovery

struct X;
struct Y;

// Ensure that we can't use the definitions of X and Y, since we've not imported module a.
Y *yp;
X *xp = yp; // expected-error {{cannot initialize}}
_Static_assert(!__is_convertible(Y*, X*), "");
X &xr = *yp; // expected-error {{unrelated type}}
int g(Y &y) { f(y); } // expected-error {{undeclared identifier 'f'}}