[compiler-rt] [CompilerRT] Add numerical sanitizer (PR #94322)

[Jessica Paquette via llvm-commits]

================
@@ -0,0 +1,53 @@
+include(CompilerRTCompile)
+
+set(NSAN_UNITTEST_CFLAGS
+  ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${COMPILER_RT_GTEST_CFLAGS}
+  -I${COMPILER_RT_SOURCE_DIR}/lib/
+  -DSANITIZER_COMMON_REDEFINE_BUILTINS_IN_STD
+  -O2
+  -g
+  -fno-omit-frame-pointer)
+
+file(GLOB NSAN_HEADERS ../*.h)
+set(NSAN_UNITTESTS
+	NSanUnitTest.cpp
+        nsan_unit_test_main.cpp)
+
+add_custom_target(NsanUnitTests)
+
+# set(NSAN_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS} -ldl)
----------------
ornata wrote:

Should these lines be commented out?

https://github.com/llvm/llvm-project/pull/94322