From 1f87cf479ad907b6da3505d41ce2c735aa5d9049 Mon Sep 17 00:00:00 2001 From: Douglas Gregor Date: Thu, 15 Sep 2011 20:54:06 +0000 Subject: [PATCH] Add test case for mutually recursive modules git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139838 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../Headers/MutuallyRecursive1.h | 3 +++ .../Headers/MutuallyRecursive2.h | 6 ++++++ test/Modules/cycles.c | 12 ++++++++++++ 3 files changed, 21 insertions(+) create mode 100644 test/Modules/Inputs/MutuallyRecursive1.framework/Headers/MutuallyRecursive1.h create mode 100644 test/Modules/Inputs/MutuallyRecursive2.framework/Headers/MutuallyRecursive2.h create mode 100644 test/Modules/cycles.c diff --git a/test/Modules/Inputs/MutuallyRecursive1.framework/Headers/MutuallyRecursive1.h b/test/Modules/Inputs/MutuallyRecursive1.framework/Headers/MutuallyRecursive1.h new file mode 100644 index 0000000000..2a8282cc01 --- /dev/null +++ b/test/Modules/Inputs/MutuallyRecursive1.framework/Headers/MutuallyRecursive1.h @@ -0,0 +1,3 @@ + +__import_module__ MutuallyRecursive2; + diff --git a/test/Modules/Inputs/MutuallyRecursive2.framework/Headers/MutuallyRecursive2.h b/test/Modules/Inputs/MutuallyRecursive2.framework/Headers/MutuallyRecursive2.h new file mode 100644 index 0000000000..98008533f3 --- /dev/null +++ b/test/Modules/Inputs/MutuallyRecursive2.framework/Headers/MutuallyRecursive2.h @@ -0,0 +1,6 @@ + + +__import_module__ MutuallyRecursive1; + + + diff --git a/test/Modules/cycles.c b/test/Modules/cycles.c new file mode 100644 index 0000000000..8e3e9c6316 --- /dev/null +++ b/test/Modules/cycles.c @@ -0,0 +1,12 @@ +// RUN: rm -rf %t +// RUN: %clang_cc1 -fmodule-cache-path %t -F %S/Inputs %s 2>&1 | FileCheck %s + +__import_module__ MutuallyRecursive1; + +// FIXME: Lots of redundant diagnostics here, because the preprocessor +// can't currently tell the parser not to try to load the module again. + +// CHECK: MutuallyRecursive2.h:3:19: fatal error: cyclic dependency in module 'MutuallyRecursive1': MutuallyRecursive1 -> MutuallyRecursive2 -> MutuallyRecursive1 +// CHECK: MutuallyRecursive1.h:2:19: fatal error: could not build module 'MutuallyRecursive2' +// CHECK: cycles.c:4:19: fatal error: could not build module 'MutuallyRecursive1' + -- 2.50.1