[PATCH] Allow -fsanitize-coverage with -fsanitize=dataflow

[Kostya Serebryany]

Hi pcc,

Allow -fsanitize-coverage with -fsanitize=dataflow

http://reviews.llvm.org/D8476

Files:
  lib/Driver/SanitizerArgs.cpp
  test/Driver/fsanitize.c
  test/Modules/modules.timestamp
  tools/fuzzer/

Index: lib/Driver/SanitizerArgs.cpp
===================================================================
--- lib/Driver/SanitizerArgs.cpp
+++ lib/Driver/SanitizerArgs.cpp
@@ -44,7 +44,7 @@
   NotAllowedWithTrap = Vptr,
   RequiresPIE = Memory | DataFlow,
   NeedsUnwindTables = Address | Thread | Memory | DataFlow,
-  SupportsCoverage = Address | Memory | Leak | Undefined | Integer,
+  SupportsCoverage = Address | Memory | Leak | Undefined | Integer | DataFlow,
   RecoverableByDefault = Undefined | Integer,
   Unrecoverable = Address | Unreachable | Return,
   LegacyFsanitizeRecoverMask = Undefined | Integer,
Index: test/Driver/fsanitize.c
===================================================================
--- test/Driver/fsanitize.c
+++ test/Driver/fsanitize.c
@@ -101,13 +101,13 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=leak -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-1
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-1
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=bool -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-1
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=dataflow -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-1
 // CHECK-SANITIZE-COVERAGE-1: fsanitize-coverage=1
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=4 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-4
 // CHECK-SANITIZE-COVERAGE-4: fsanitize-coverage=4
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=5 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-5
 // CHECK-SANITIZE-COVERAGE-5: error: invalid value '5' in '-fsanitize-coverage=5'
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=thread   -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-UNUSED
-// RUN: %clang -target x86_64-linux-gnu -fsanitize=dataflow -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-UNUSED
 // RUN: %clang -target x86_64-linux-gnu                     -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-UNUSED
 // CHECK-SANITIZE-COVERAGE-UNUSED: argument unused during compilation: '-fsanitize-coverage=1'

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