8d74de9de6
Previously, this would fail if the builtin headers had been "claimed" by a different module that wraps these builtin headers. libc++ does this, for example. This change adds a test demonstrating this situation; the test fails without the fix.
15 lines
695 B
C++
15 lines
695 B
C++
// Test that a [no_undeclared_headers] module can include builtin headers, even
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// if these have been "claimed" by a different module that wraps these builtin
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// headers. libc++ does this, for example.
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//
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// The test inputs used here replicates the relationship between libc++ and
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// glibc. When modularizing glibc, [no_undeclared_headers] must be used to
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// prevent glibc from including the libc++ versions of the C standard library
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// headers.
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// RUN: rm -rf %t
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// RUN: %clang_cc1 -fmodules-cache-path=%t -fmodules -fimplicit-module-maps -I %S/Inputs/no-undeclared-includes-builtins/libcxx -I %S/Inputs/no-undeclared-includes-builtins/glibc %s
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// expected-no-diagnostics
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#include <stddef.h>
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