10 files changed, 71 insertions, 7 deletions
diff --git a/test/Tooling/Inputs/mock-libcxx/bin/clang b/test/Tooling/Inputs/mock-libcxx/bin/clang
new file mode 100644
index 0000000000000..ed34c1f81868b
--- /dev/null
+++ b/test/Tooling/Inputs/mock-libcxx/bin/clang
@@ -0,0 +1 @@
+This file is a placeholder to keep its parent directory in git.
diff --git a/test/Tooling/Inputs/mock-libcxx/include/c++/v1/mock_vector b/test/Tooling/Inputs/mock-libcxx/include/c++/v1/mock_vector
new file mode 100644
index 0000000000000..8512477b5d8e8
--- /dev/null
+++ b/test/Tooling/Inputs/mock-libcxx/include/c++/v1/mock_vector
@@ -0,0 +1 @@
+class vector {};
diff --git a/test/Tooling/auto-detect-from-source.cpp b/test/Tooling/auto-detect-from-source.cpp
index 12a660d585a98..e6241a9ec3e56 100644
--- a/test/Tooling/auto-detect-from-source.cpp
+++ b/test/Tooling/auto-detect-from-source.cpp
@@ -1,8 +1,12 @@
 // RUN: rm -rf %t
 // RUN: mkdir %t
-// RUN: echo "[{\"directory\":\".\",\"command\":\"clang++ -c %/t/test.cpp\",\"file\":\"%/t/test.cpp\"}]" | sed -e 's/\\/\\\\/g' > %t/compile_commands.json
+// RUN: echo "[{\"directory\":\".\",\"command\":\"clang++ -DSECRET=XYZZY -c %/t/test.cpp\",\"file\":\"%/t/test.cpp\"}]" | sed -e 's/\\/\\\\/g' > %t/compile_commands.json
 // RUN: cp "%s" "%t/test.cpp"
 // RUN: not clang-check "%t/test.cpp" 2>&1 | FileCheck %s
 
-// CHECK: C++ requires
-invalid;
+// CHECK: XYZZY
+SECRET;
+
+// Copy to a different file, and rely on the command being inferred.
+// RUN: cp "%s" "%t/other.cpp"
+// RUN: not clang-check "%t/other.cpp" 2>&1 | FileCheck %s
diff --git a/test/Tooling/clang-check-analyzer.cpp b/test/Tooling/clang-check-analyzer.cpp
index ee0a6dc369caf..72e1a20e5ff01 100644
--- a/test/Tooling/clang-check-analyzer.cpp
+++ b/test/Tooling/clang-check-analyzer.cpp
@@ -1,4 +1,7 @@
 // RUN: clang-check -analyze "%s" -- -c 2>&1 | FileCheck %s
+// RUN: clang-check -analyze "%s" -- -c -flto -Wa,--noexecstack 2>&1 | FileCheck %s
+// RUN: clang-check -analyze "%s" -- -c -no-integrated-as -flto=thin 2>&1 | FileCheck %s
+// RUN: clang-check -analyze "%s" -- -c -flto=full 2>&1 | FileCheck %s
 
 // CHECK: Dereference of null pointer
 void a(int *x) { if(x){} *x = 47; }
diff --git a/test/Tooling/clang-check-ast-dump.cpp b/test/Tooling/clang-check-ast-dump.cpp
index d8643c79428ed..496d489fd6090 100644
--- a/test/Tooling/clang-check-ast-dump.cpp
+++ b/test/Tooling/clang-check-ast-dump.cpp
@@ -32,7 +32,8 @@
 // CHECK-ATTR: test_namespace
 // CHECK-ATTR-NEXT: FieldDecl{{.*}}n
 // CHECK-ATTR-NEXT:   AlignedAttr
-// CHECK-ATTR-NEXT:     BinaryOperator
+// CHECK-ATTR-NEXT:     ConstantExpr
+// CHECK-ATTR-NEXT:       BinaryOperator
 //
 // RUN: clang-check -ast-dump -ast-dump-filter test_namespace::AfterNullNode "%s" -- 2>&1 | FileCheck -check-prefix CHECK-AFTER-NULL %s
 // CHECK-AFTER-NULL: class AfterNullNode
diff --git a/test/Tooling/clang-check-extra-arg.cpp b/test/Tooling/clang-check-extra-arg.cpp
index a5d00bc8e8923..df5fb930eedcd 100644
--- a/test/Tooling/clang-check-extra-arg.cpp
+++ b/test/Tooling/clang-check-extra-arg.cpp
@@ -2,4 +2,8 @@
 
 // CHECK: unknown warning option '-Wunimplemented-warning-before'
 // CHECK: unknown warning option '-Wunimplemented-warning'
+
+// Check we do not crash with -extra-arg=-gsplit-dwarf (we did, under linux).
+// RUN: clang-check "%s" -extra-arg=-gsplit-dwarf -- -c
+
 void a(){}
diff --git a/test/Tooling/clang-check-mac-libcxx-abspath.cpp b/test/Tooling/clang-check-mac-libcxx-abspath.cpp
new file mode 100644
index 0000000000000..476ba3ce0849a
--- /dev/null
+++ b/test/Tooling/clang-check-mac-libcxx-abspath.cpp
@@ -0,0 +1,17 @@
+// Clang on MacOS can find libc++ living beside the installed compiler.
+// This test makes sure our libTooling-based tools emulate this properly.
+//
+// RUN: rm -rf %t
+// RUN: mkdir %t
+//
+// Install the mock libc++ (simulates the libc++ directory structure).
+// RUN: cp -r %S/Inputs/mock-libcxx %t/
+//
+// Pretend clang is installed beside the mock library that we provided.
+// RUN: echo '[{"directory":"%t","command":"%t/mock-libcxx/bin/clang++ -stdlib=libc++ -target x86_64-apple-darwin -c test.cpp","file":"test.cpp"}]' | sed -e 's/\\/\//g' > %t/compile_commands.json
+// RUN: cp "%s" "%t/test.cpp"
+// clang-check will produce an error code if the mock library is not found.
+// RUN: clang-check -p "%t" "%t/test.cpp"
+
+#include <mock_vector>
+vector v;
diff --git a/test/Tooling/clang-check-mac-libcxx-fixed-compilation-db.cpp b/test/Tooling/clang-check-mac-libcxx-fixed-compilation-db.cpp
new file mode 100644
index 0000000000000..035155c96c925
--- /dev/null
+++ b/test/Tooling/clang-check-mac-libcxx-fixed-compilation-db.cpp
@@ -0,0 +1,16 @@
+// Clang on MacOS can find libc++ living beside the installed compiler.
+// This test makes sure our libTooling-based tools emulate this properly with
+// fixed compilation database.
+//
+// RUN: rm -rf %t
+// RUN: mkdir %t
+//
+// Install the mock libc++ (simulates the libc++ directory structure).
+// RUN: cp -r %S/Inputs/mock-libcxx %t/
+//
+// RUN: cp $(which clang-check) %t/mock-libcxx/bin/
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: %t/mock-libcxx/bin/clang-check -p "%t" "%t/test.cpp" -- -stdlib=libc++
+
+#include <mock_vector>
+vector v;
diff --git a/test/Tooling/clang-check-mac-libcxx-relpath.cpp b/test/Tooling/clang-check-mac-libcxx-relpath.cpp
new file mode 100644
index 0000000000000..099be5ecd4984
--- /dev/null
+++ b/test/Tooling/clang-check-mac-libcxx-relpath.cpp
@@ -0,0 +1,17 @@
+// Clang on MacOS can find libc++ living beside the installed compiler.
+// This test makes sure our libTooling-based tools emulate this properly.
+//
+// RUN: rm -rf %t
+// RUN: mkdir %t
+//
+// Install the mock libc++ (simulates the libc++ directory structure).
+// RUN: cp -r %S/Inputs/mock-libcxx %t/
+//
+// Pretend clang is installed beside the mock library that we provided.
+// RUN: echo '[{"directory":"%t","command":"mock-libcxx/bin/clang++ -stdlib=libc++ -target x86_64-apple-darwin -c test.cpp","file":"test.cpp"}]' | sed -e 's/\\/\//g' > %t/compile_commands.json
+// RUN: cp "%s" "%t/test.cpp"
+// clang-check will produce an error code if the mock library is not found.
+// RUN: clang-check -p "%t" "%t/test.cpp"
+
+#include <mock_vector>
+vector v;
diff --git a/test/Tooling/clang-diff-json.cpp b/test/Tooling/clang-diff-json.cpp
index 20c808cb0f19b..cc2bb0805e53f 100644
--- a/test/Tooling/clang-diff-json.cpp
+++ b/test/Tooling/clang-diff-json.cpp
@@ -1,10 +1,10 @@
 // RUN: clang-diff -ast-dump-json %s -- \
-// RUN: | '%python' -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
+// RUN: | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
 // RUN: | FileCheck %s
 
-// CHECK: "begin": 301,
+// CHECK: "begin": 311,
 // CHECK: "type": "FieldDecl",
-// CHECK: "end": 321,
+// CHECK: "end": 319,
 // CHECK: "type": "CXXRecordDecl",
 class A {
   int x;