r262503 - [libFuzzer] allow -fsanitize-coverage=0 (disables all coverage)

[Kostya Serebryany via cfe-commits]

Author: kcc
Date: Wed Mar  2 13:16:54 2016
New Revision: 262503

URL: http://llvm.org/viewvc/llvm-project?rev=262503&view=rev
Log:
[libFuzzer] allow -fsanitize-coverage=0 (disables all coverage)

Modified:
    cfe/trunk/lib/Driver/SanitizerArgs.cpp
    cfe/trunk/test/Driver/fsanitize-coverage.c

Modified: cfe/trunk/lib/Driver/SanitizerArgs.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/SanitizerArgs.cpp?rev=262503&r1=262502&r2=262503&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/SanitizerArgs.cpp (original)
+++ cfe/trunk/lib/Driver/SanitizerArgs.cpp Wed Mar  2 13:16:54 2016
@@ -446,9 +446,8 @@ SanitizerArgs::SanitizerArgs(const ToolC
           LegacySanitizeCoverage >= 0 && LegacySanitizeCoverage <= 4) {
         switch (LegacySanitizeCoverage) {
         case 0:
-          D.Diag(diag::warn_drv_deprecated_arg) << Arg->getAsString(Args)
-                                                << "-fsanitize-coverage=";
           CoverageFeatures = 0;
+          Arg->claim();
           break;
         case 1:
           D.Diag(diag::warn_drv_deprecated_arg) << Arg->getAsString(Args)

Modified: cfe/trunk/test/Driver/fsanitize-coverage.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fsanitize-coverage.c?rev=262503&r1=262502&r2=262503&view=diff
==============================================================================
--- cfe/trunk/test/Driver/fsanitize-coverage.c (original)
+++ cfe/trunk/test/Driver/fsanitize-coverage.c Wed Mar  2 13:16:54 2016
@@ -2,6 +2,7 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=edge -fsanitize-coverage=0 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-0
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-0
 // CHECK-SANITIZE-COVERAGE-0-NOT: fsanitize-coverage-type
+// CHECK-SANITIZE-COVERAGE-0: -fsanitize=address
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=func %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=memory -fsanitize-coverage=func %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
@@ -21,6 +22,10 @@
 // CHECK-SANITIZE-COVERAGE-FUNC_INDIR: fsanitize-coverage-type=3
 // CHECK-SANITIZE-COVERAGE-FUNC_INDIR: fsanitize-coverage-indirect-calls
 
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-1
+// CHECK-SANITIZE-COVERAGE-1: warning: argument '-fsanitize-coverage=1' is deprecated, use '-fsanitize-coverage=func' instead
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=2 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-2
+// CHECK-SANITIZE-COVERAGE-2: warning: argument '-fsanitize-coverage=2' is deprecated, use '-fsanitize-coverage=bb' instead
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=3 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-3
 // CHECK-SANITIZE-COVERAGE-3: warning: argument '-fsanitize-coverage=3' is deprecated, use '-fsanitize-coverage=edge' instead
 //