compiler: fix integer wrap around behavior might compile with undefin…

…ed behavior
julelang · Feb 25, 2025 · d7e2928 · d7e2928
1 parent 0e6d1bd
commit d7e2928
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/julec/compile.jule b/src/julec/compile.jule
@@ -103,6 +103,7 @@ fn pushCompCmdClang(mut &cmd: strings::Builder) {
 	cmd.WriteByte(' ')!
 
 	if env::Production {
+		cmd.WriteStr("-fwrapv ")!              // Enable wrap around behavior.
 		cmd.WriteStr("-O3 ")!                  // Enable all optimizations.
 		cmd.WriteStr("-flto ")!                // Enable LTO.
 		cmd.WriteStr("-DNDEBUG ")!             // Define NDEBUG, turn off assertions.
@@ -129,6 +130,7 @@ fn pushCompCmdGcc(mut &cmd: strings::Builder) {
 	cmd.WriteByte(' ')!
 
 	if env::Production {
+		cmd.WriteStr("-fwrapv ")!              // Enable wrap around behavior.
 		cmd.WriteStr("-O3 ")!                  // Enable all optimizations.
 		cmd.WriteStr("-DNDEBUG ")!             // Define NDEBUG, turn off assertions.
 		cmd.WriteStr("-fomit-frame-pointer ")! // Do not use frame pointer.