[PATCH] testsuite: Compile asan_test.C with -Wno-alloc-size-larger-than

[Uros Bizjak]

asan_test.cc tries to allocate 0xf0000000 bytes for 32bit targets in
a disabled DISABLED_DemoOOM test.  Since the testcase is compiled with
-Werror, the compilation fails with:

error: argument 1 value '4026531840' exceeds maximum object size 2147483647

Compile with -Wno-alloc-size-larger-than to avoid compilation failure.

2020-03-05  Uroš Bizjak  <ubiz...@gmail.com>

    * g++.de/asan/asan_test.C (dg-options): Add
    -Wno-alloc-size-larger-than.

Tested on x86_64-linux-gnu {,-m32}.

unix/-m32 asan test results went from

# of unexpected failures    1
# of unresolved testcases    1
# of unsupported tests        6

to

# of expected passes        1193
# of unsupported tests        6

OK for mainline?

Uros.

diff --git a/gcc/testsuite/g++.dg/asan/asan_test.C 
b/gcc/testsuite/g++.dg/asan/asan_test.C
index f3f7626ef3be..a151979946ac 100644
--- a/gcc/testsuite/g++.dg/asan/asan_test.C
+++ b/gcc/testsuite/g++.dg/asan/asan_test.C
@@ -2,7 +2,7 @@
 // { dg-skip-if "" { *-*-* } { "*" } { "-O2" } }
 // { dg-skip-if "" { *-*-* } { "-flto" } { "" } }
 // { dg-additional-sources "asan_globals_test-wrapper.cc" }
-// { dg-options "-std=c++11 -fsanitize=address -fno-builtin -Wall -Werror -g 
-DASAN_UAR=0 -DASAN_HAS_EXCEPTIONS=1 -DASAN_HAS_BLACKLIST=0 
-DSANITIZER_USE_DEJAGNU_GTEST=1 -lasan -lpthread -ldl" }
+// { dg-options "-std=c++11 -fsanitize=address -fno-builtin -Wall -Werror 
-Wno-alloc-size-larger-than -g -DASAN_UAR=0 -DASAN_HAS_EXCEPTIONS=1 
-DASAN_HAS_BLACKLIST=0 -DSANITIZER_USE_DEJAGNU_GTEST=1 -lasan -lpthread -ldl" }
 // { dg-additional-options "-DASAN_NEEDS_SEGV=1" { target { ! arm*-*-* } } }
 // { dg-additional-options "-DASAN_LOW_MEMORY=1 -DASAN_NEEDS_SEGV=0" { target 
arm*-*-* } }
 // { dg-additional-options "-DASAN_AVOID_EXPENSIVE_TESTS=1" { target { ! 
run_expensive_tests } } }