Mostly finish fixing fast-path cases.  Also enhance sanity checking.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3541 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/memcheck/Makefile.am b/memcheck/Makefile.am
index 7624d7e..71c351f 100644
--- a/memcheck/Makefile.am
+++ b/memcheck/Makefile.am
@@ -34,3 +34,4 @@
 
 mac_replace_strmem.o: CFLAGS += -fno-omit-frame-pointer
 
+mc_main.o: CFLAGS += -fomit-frame-pointer