File: instantiation-depth.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (30 lines) | stat: -rw-r--r-- 1,298 bytes parent folder | download | duplicates (21)
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
29
30
// RUN: %clang_cc1 -fsyntax-only -verify -ftemplate-depth 5 -ftemplate-backtrace-limit 4 %s
// RUN: %clang -fsyntax-only -Xclang -verify -ftemplate-depth-5 -ftemplate-backtrace-limit=4 %s
// RUN: %clang -fsyntax-only -Xclang -verify -ftemplate-depth=5 -ftemplate-backtrace-limit=4 %s

#ifndef NOEXCEPT

template<typename T> struct X : X<T*> { }; \
// expected-error{{recursive template instantiation exceeded maximum depth of 5}} \
// expected-note 3 {{instantiation of template class}} \
// expected-note {{skipping 2 contexts in backtrace}} \
// expected-note {{use -ftemplate-depth=N to increase recursive template instantiation depth}}

void test() {
  (void)sizeof(X<int>); // expected-note {{instantiation of template class}}
}

#else

// RUN: %clang_cc1 -fsyntax-only -verify -ftemplate-depth 5 -ftemplate-backtrace-limit 4 -std=c++11 -DNOEXCEPT %s

template<typename T> struct S {
  S() noexcept(noexcept(S<S>())); \
// expected-error{{recursive template instantiation exceeded maximum depth of 5}} \
// expected-note 3 {{in instantiation of exception spec}} \
// expected-note {{skipping 2 contexts in backtrace}} \
// expected-note {{use -ftemplate-depth=N to increase recursive template instantiation depth}}
};
S<void> t; // expected-note {{in instantiation of exception spec}}

#endif