[asan] remove -fsanitize=use-after-return from the tests (this flag now comes with asan by default)

llvm-svn: 191204

compiler-rt/lib/asan/lit_tests/TestCases/Linux/heavy_uar_test.cc

@@ -1,7 +1,7 @@
 // RUN: export ASAN_OPTIONS=detect_stack_use_after_return=1
-// RUN: %clangxx_asan -fsanitize=use-after-return -O0 %s -o %t && \
+// RUN: %clangxx_asan -O0 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -fsanitize=use-after-return -O2 %s -o %t && \
+// RUN: %clangxx_asan -O2 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck %s
 
 #include <stdio.h>

compiler-rt/lib/asan/lit_tests/TestCases/Linux/uar_signals.cc

@@ -1,7 +1,7 @@
 // This test shows that the current implementation of use-after-return is
 // not signal-safe.
 // RUN: %clangxx_asan -O1 %s -o %t -lpthread && %t
-// RUN: %clangxx_asan -fsanitize=use-after-return -O1 %s -o %t -lpthread && %t
+// RUN: %clangxx_asan -O1 %s -o %t -lpthread && %t
 #include <signal.h>
 #include <stdlib.h>
 #include <stdio.h>

compiler-rt/lib/asan/lit_tests/TestCases/deep_call_stack.cc

@@ -1,6 +1,6 @@
 // Check that UAR mode can handle very deep recusrion.
-//
+// export ASAN_OPTIONS=detect_stack_use_after_return=1
-// RUN: %clangxx_asan -fsanitize=use-after-return -O2 %s -o %t && \
+// RUN: %clangxx_asan -O2 %s -o %t && \
 // RUN:   %t 2>&1 | FileCheck %s
 #include <stdio.h>
 

compiler-rt/lib/asan/lit_tests/TestCases/stack-use-after-return.cc

@@ -1,19 +1,19 @@
 // RUN: export ASAN_OPTIONS=detect_stack_use_after_return=1
-// RUN: %clangxx_asan -fsanitize=use-after-return -O0 %s -o %t && \
+// RUN: %clangxx_asan  -O0 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -fsanitize=use-after-return -O1 %s -o %t && \
+// RUN: %clangxx_asan  -O1 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -fsanitize=use-after-return -O2 %s -o %t && \
+// RUN: %clangxx_asan  -O2 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck %s
-// RUN: %clangxx_asan -fsanitize=use-after-return -O3 %s -o %t && \
+// RUN: %clangxx_asan  -O3 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck %s
 // RUN: ASAN_OPTIONS=detect_stack_use_after_return=0 %t
 // Regression test for a CHECK failure with small stack size and large frame.
-// RUN: %clangxx_asan -fsanitize=use-after-return -O3 %s -o %t -DkSize=10000 && \
+// RUN: %clangxx_asan  -O3 %s -o %t -DkSize=10000 && \
 // RUN: (ulimit -s 65;  not %t) 2>&1 | FileCheck %s
 //
 // Test that we can find UAR in a thread other than main:
-// RUN: %clangxx_asan -fsanitize=use-after-return -DUseThread -O2 %s -o %t && \
+// RUN: %clangxx_asan  -DUseThread -O2 %s -o %t && \
 // RUN:   not %t 2>&1 | FileCheck --check-prefix=THREAD %s
 
 #include <stdio.h>

compiler-rt/lib/asan/lit_tests/TestCases/uar_and_exceptions.cc

@@ -1,5 +1,6 @@
 // Test that use-after-return works with exceptions.
-// RUN: %clangxx_asan -fsanitize=use-after-return -O0 %s -o %t && %t
+// export ASAN_OPTIONS=detect_stack_use_after_return=1
+// RUN: %clangxx_asan  -O0 %s -o %t && %t
 
 #include <stdio.h>
 

compiler-rt/lib/asan/tests/CMakeLists.txt

@@ -67,7 +67,6 @@ set(ASAN_UNITTEST_INSTRUMENTED_CFLAGS
   -mllvm -asan-globals=1
   -mllvm -asan-mapping-scale=0        # default will be used
   -mllvm -asan-mapping-offset-log=-1  # default will be used
-  -mllvm -asan-use-after-return=0
 )
 if(ASAN_TESTS_USE_ZERO_BASE_SHADOW)
   list(APPEND ASAN_UNITTEST_INSTRUMENTED_CFLAGS