Enable trap-on-UB in debug builds

This will help catch bugs in code, including incorrect use of
unreachable/assume() macros.

Best to test our assumptions before relying on them.

2 files changed, 2 insertions, 2 deletions

diff --git a/compile b/compile
index d3aa259..1e9812d 100755
--- a/compile
+++ b/compile
@@ -25,7 +25,7 @@ stdflags="-std=c2x -D_DEFAULT_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64"
 
 dbg=0
 if [ "$dbg" = 1 ]; then
-	cflags="-O0 -g3"
+	cflags="-O0 -g3 -fsanitize-trap=undefined"
 	ldflags="-O0 -g3"
 else
 	cflags="-O2 -fvisibility=hidden"
diff --git a/compile.bat b/compile.bat
index a756576..0c3bead 100644
--- a/compile.bat
+++ b/compile.bat
@@ -26,7 +26,7 @@ set dbg=0
 :: XXX: -Og would be nice but apparently a bunch of stuff still gets inlined

 :: which can be somewhat annoying so -O0 it is.

 if "%dbg%"=="1" (

-	set cflags=-O0 -g3

+	set cflags=-O0 -g3 -fsanitize-trap=undefined

 	set ldflags=-O0 -g3

 ) else (

 	set cflags=-O2