Index: driver/cfa.cc
===================================================================
--- driver/cfa.cc	(revision 0fd9c6893720c2d3eb35315d033162526ca4ba00)
+++ driver/cfa.cc	(revision c67158d7a71207b1be82dd7670fa9ac9ca540dc5)
@@ -10,6 +10,6 @@
 // Created On       : Tue Aug 20 13:44:49 2002
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Sep 28 21:53:54 2023
-// Update Count     : 484
+// Last Modified On : Wed Jul  8 17:45:04 2026
+// Update Count     : 487
 //
 
@@ -455,5 +455,6 @@
 	} // if
 
-	args[nargs++] = "-fexceptions";						// add exception flags (unconditionally)
+	args[nargs++] = "-fexceptions";						// Generates code to propagate exceptions
+	args[nargs++] = "-fwrapv";							// fully define integer signed overflow
 	args[nargs++] = "-D_GNU_SOURCE";					// force gnu libraries
 
@@ -471,14 +472,4 @@
 	} // if
 
-	if ( CFA_flag ) {
-		Putenv( argv, "-N" );
-		Putenv( argv, "-CFA" );
-		// -CFA implies cc1 stage 2, but gcc does not pass the -o file to this stage because it believe the file is for
-		// the linker. Hence, the -o file is explicit passed to cc1 stage 2 and used as cfa-cpp's output file.
-		if ( o_file ) Putenv( argv, string( "-o=" ) + argv[o_file] );
-	} else {
-		Putenv( argv, "-L" );
-	} // if
-
 	if ( debug ) {
 		heading += " (debug)";
@@ -486,4 +477,14 @@
 	} else {
 		heading += " (no debug)";
+	} // if
+
+	if ( CFA_flag ) {
+		Putenv( argv, "-N" );
+		Putenv( argv, "-CFA" );
+		// -CFA implies cc1 stage 2, but gcc does not pass the -o file to this stage because it believes the file is for
+		// the linker. Hence, the -o file is explicit passed to cc1 stage 2 and used as cfa-cpp's output file.
+		if ( o_file ) Putenv( argv, string( "-o=" ) + argv[o_file] );
+	} else {
+		Putenv( argv, "-L" );
 	} // if