add integer overflow trapping to debug builds

doc: https://gcc.gnu.org/onlinedocs/gcc-4.0.2/gcc/Code-Gen-Options.html
2017-11-28 15:02:48 -08:00 · 2017-11-28 15:02:48 -08:00 · f5747afe0f
parent 743b23878e
commit f5747afe0f
1 changed files with 1 additions and 1 deletions
--- a/tests/Makefile
+++ b/tests/Makefile
@ -32,7 +32,7 @@ CFLAGS     += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow                 \
              -Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
              -Wstrict-prototypes -Wundef -Wformat-security                   \
              -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings      \
-              -Wredundant-decls
+              -Wredundant-decls -ftrapv
 CFLAGS     += $(DEBUGFLAGS) $(MOREFLAGS)
 FLAGS       = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS)