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llvm-project/clang/test/Lexer/has_feature_rtti.cpp

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tests: Use %clangxx when using driver for C++, in case C++ support is disabled. llvm-svn: 107153
2010-06-30 00:52:24 +08:00
// RUN: %clang_cc1 -E %s -o - | FileCheck --check-prefix=CHECK-RTTI %s
// RUN: %clang_cc1 -E -fno-rtti %s -o - | FileCheck --check-prefix=CHECK-NO-RTTI %s
Turn off __has_feature(cxx_rtti) when -fno-rtti-data is present -fno-rtti-data makes it so that vtables emitted in the current TU lack RTTI data. This means that dynamic_cast usually fails at runtime. Users of the existing cxx_rtti feature expect all of RTTI to work, not just some of it. Chromium bug for context: http://crbug.com/518191 llvm-svn: 244922
2015-08-14 01:56:49 +08:00
// RUN: %clang_cc1 -E -fno-rtti-data %s -o - | FileCheck --check-prefix=CHECK-NO-RTTI %s
Add FileCheck test for '__has_feature(rtti)'. llvm-svn: 90373
2009-12-03 09:17:43 +08:00
Rename has_feature(rtti) to has_feature(cxx_rtti) for clarity. llvm-svn: 90376
2009-12-03 09:31:28 +08:00
#if __has_feature(cxx_rtti)
Add FileCheck test for '__has_feature(rtti)'. llvm-svn: 90373
2009-12-03 09:17:43 +08:00
int foo();
#else
int bar();
#endif
// CHECK-RTTI: foo
// CHECK-NO-RTTI: bar