teak-llvm/clang/test/Frontend/warning-stdlibcxx-darwin.cpp
Alex Lorenz 1f79297ebe Recommit r335063: [Darwin] Add a warning for missing include path for libstdc++
The recommit ensures that the tests that failed on bots don't trigger the warning.

Xcode 10 removes support for libstdc++, but the users just get a confusing
include not file warning when including an STL header (when building for iOS6
which uses libstdc++ by default for example).
This patch adds a new warning that lets the user know that the libstdc++ include
path was not found to ensure that the user is more aware of why the error occurs.

rdar://40830462

Differential Revision: https://reviews.llvm.org/D48297

llvm-svn: 335081
2018-06-19 22:47:53 +00:00

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// RUN: %clang -cc1 -triple arm64-apple-ios6.0.0 -isysroot %S/doesnotexist %s 2>&1 | FileCheck %s
// RUN: %clang -cc1 -triple arm64-apple-ios6.0.0 -isysroot %S/doesnotexist -stdlib=libc++ %s -verify
// CHECK: include path for stdlibc++ headers not found; pass '-std=libc++' on the command line to use the libc++ standard library instead
// expected-no-diagnostics