lowfat: inherit sanitizer cflags, e.g. -fno-builtins

Author: ddcc

llvm-4.0.0.src/projects/compiler-rt/lib/lowfat/CMakeLists.txt.legacy

@@ -5,7 +5,7 @@ set(LOWFAT_SOURCES
 
 include_directories(..)
 
-set(LOWFAT_CFLAGS -std=gnu99 -m64 -mno-bmi -mno-bmi2 -mno-lzcnt -I. -O2 -mcmodel=large -DLOWFAT_LINUX)
+set(LOWFAT_CFLAGS ${SANITIZER_COMMON_CFLAGS} -std=gnu99 -m64 -mno-bmi -mno-bmi2 -mno-lzcnt -I. -O2 -mcmodel=large -DLOWFAT_LINUX)
 
 add_compiler_rt_runtime(clang_rt.lowfat
         STATIC

llvm-4.0.0.src/projects/compiler-rt/lib/lowfat/CMakeLists.txt.modern

@@ -5,7 +5,7 @@ set(LOWFAT_SOURCES
 
 include_directories(..)
 
-set(LOWFAT_CFLAGS -std=gnu99 -m64 -I. -O2 -mbmi -mbmi2 -mlzcnt -mcmodel=large -DLOWFAT_LINUX)
+set(LOWFAT_CFLAGS ${SANITIZER_COMMON_CFLAGS} -std=gnu99 -m64 -I. -O2 -mbmi -mbmi2 -mlzcnt -mcmodel=large -DLOWFAT_LINUX)
 
 add_compiler_rt_runtime(clang_rt.lowfat
         STATIC