clang/test/AST/ByteCode/depth-limit2.cpp

   1 // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -fconstexpr-depth=2 -verify %s
   2 // RUN: %clang_cc1 -fconstexpr-depth=2 -verify=ref %s
   3
   4
   5 constexpr int func() {
   6   return 12;
   7 }
   8
   9 constexpr int foo() {
  10   return func(); // expected-note {{exceeded maximum depth of 2 calls}} \
  11                  // ref-note {{exceeded maximum depth of 2 calls}}
  12 }
  13
  14 constexpr int bar() {
  15   return foo(); // expected-note {{in call to 'foo()'}} \
  16                 // ref-note {{in call to 'foo()'}}
  17 }
  18
  19 static_assert(bar() == 12, ""); // expected-error {{not an integral constant expression}} \
  20                                 // expected-note {{in call to 'bar()'}} \
  21                                 // ref-error {{not an integral constant expression}} \
  22                                 // ref-note {{in call to 'bar()'}}
  23