Driver: Make -fsanitize=shadow-call-stack compatible with -fsanitize-minimal-runtime.

Differential Revision: https://reviews.llvm.org/D54330

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@346526 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Driver/SanitizerArgs.cpp

@@ -47,7 +47,7 @@ enum : SanitizerMask {
   TrappingDefault = CFI,
   CFIClasses =
       CFIVCall | CFINVCall | CFIMFCall | CFIDerivedCast | CFIUnrelatedCast,
-  CompatibleWithMinimalRuntime = TrappingSupported | Scudo,
+  CompatibleWithMinimalRuntime = TrappingSupported | Scudo | ShadowCallStack,
 };
 
 enum CoverageFeature {

test/Driver/fsanitize.c

@@ -767,6 +767,10 @@
 // CHECK-CFI-NOICALL-MINIMAL: "-fsanitize-trap=cfi-derived-cast,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
 // CHECK-CFI-NOICALL-MINIMAL: "-fsanitize-minimal-runtime"
 
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=shadow-call-stack -fsanitize-minimal-runtime %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SCS-MINIMAL
+// CHECK-SCS-MINIMAL: "-fsanitize=shadow-call-stack"
+// CHECK-SCS-MINIMAL: "-fsanitize-minimal-runtime"
+
 // RUN: %clang -target aarch64-linux-gnu -fsanitize=scudo %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SCUDO
 // RUN: %clang -target arm-linux-androideabi -fsanitize=scudo %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SCUDO
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=scudo %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SCUDO