From 2aafaccc5e6d6a0cd557bc80d874a0b77baf8303 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Fri, 13 Sep 2013 17:51:10 +0200
Subject: [PATCH] genex: Test preprocessing incomplete expressions.

---
 .../include_directories/RunCMakeTest.cmake    |  1 +
 .../incomplete-genex.cmake                    | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 Tests/RunCMake/include_directories/incomplete-genex.cmake

diff --git a/Tests/RunCMake/include_directories/RunCMakeTest.cmake b/Tests/RunCMake/include_directories/RunCMakeTest.cmake
index f0704f462..f66823eab 100644
--- a/Tests/RunCMake/include_directories/RunCMakeTest.cmake
+++ b/Tests/RunCMake/include_directories/RunCMakeTest.cmake
@@ -10,3 +10,4 @@ run_cmake(ImportedTarget)
 run_cmake(RelativePathInGenex)
 run_cmake(CMP0021)
 run_cmake(install_config)
+run_cmake(incomplete-genex)
diff --git a/Tests/RunCMake/include_directories/incomplete-genex.cmake b/Tests/RunCMake/include_directories/incomplete-genex.cmake
new file mode 100644
index 000000000..b6900a464
--- /dev/null
+++ b/Tests/RunCMake/include_directories/incomplete-genex.cmake
@@ -0,0 +1,23 @@
+project(incomplete-genex)
+
+cmake_policy(SET CMP0022 NEW)
+cmake_policy(SET CMP0023 NEW)
+
+add_library(somelib empty.cpp)
+
+# This test ensures that some internal mechanisms of cmGeneratorExpression
+# do not segfault (#14410).
+
+# Test that cmGeneratorExpression::Preprocess(StripAllGeneratorExpressions)
+# does not segfault
+target_include_directories(somelib PUBLIC
+  "/include;/include/$<BUILD_INTERFACE:subdir"
+)
+
+# Test that cmGeneratorExpression::Preprocess(BuildInterface) does not segfault
+export(TARGETS somelib FILE somelibTargets.cmake)
+
+install(TARGETS somelib EXPORT someExport DESTINATION prefix)
+# Test that cmGeneratorExpression::Preprocess(InstallInterface)
+# and cmGeneratorExpression::Split do not segfault
+install(EXPORT someExport DESTINATION prefix)