diff --git a/.cargo/config b/.cargo/config
index ec3e4e9f9f4e09c6ef0c1c02ce2667e97db68b91..a55bec77bc66a803a1ead7773e136423a7234ed4 100644
--- a/.cargo/config
+++ b/.cargo/config
@@ -25,7 +25,7 @@ rustflags = [
   # "-C", "link-arg=-nostartfiles",
 
   # uncomment for unchecked wrapping arithmetics also in dev mode
-  # "-Z", "force-overflow-checks=off",
+  "-Z", "force-overflow-checks=off",
 ]
 
 [build]
diff --git a/examples/bare1.rs b/examples/bare1.rs
index e0882f5dc56cb48b410448e713350f6d369aaeb8..238dfe4f12846d7b1d0d2233e218ab5a71fc6294 100644
--- a/examples/bare1.rs
+++ b/examples/bare1.rs
@@ -211,7 +211,13 @@ fn main() -> ! {
 //    Compare the generated assembly for the loop
 //    between the dev (unoptimized) and release (optimized) build.
 //
-//    ** your answer here **
+//    ** 
+// Dump of assembler code for function main:
+//    0x08000400 <+0>:	nop
+// => 0x08000402 <+2>:	bkpt	0x0000
+//    0x08000404 <+4>:	b.n	0x8000400 <main>
+// End of assembler dump.
+//  **
 //
 //    commit your answers (bare1_5)
 //
@@ -243,7 +249,25 @@ fn main() -> ! {
 //
 //    What is now the disassembly of the loop (in debug mode):
 //
-//    ** your answer here **
+//    ** 
+// Dump of assembler code for function main:
+//    0x08000404 <+0>:	sub	sp, #8
+//    0x08000406 <+2>:	movs	r0, #0
+//    0x08000408 <+4>:	str	r0, [sp, #4]
+//    0x0800040a <+6>:	b.n	0x800040c <main+8>
+//    0x0800040c <+8>:	ldr	r0, [sp, #4]
+//    0x0800040e <+10>:	adds	r0, #1
+//    0x08000410 <+12>:	str	r0, [sp, #4]
+//    0x08000412 <+14>:	bl	0x8000400 <cortex_m::asm::nop::h5c0367e982e73891>
+//    0x08000416 <+18>:	b.n	0x8000418 <main+20>
+// => 0x08000418 <+20>:	bkpt	0x0000
+//    0x0800041a <+22>:	b.n	0x800041c <main+24>
+//    0x0800041c <+24>:	ldr	r0, [sp, #4]
+//    0x0800041e <+26>:	subs	r0, #1
+//    0x08000420 <+28>:	str	r0, [sp, #4]
+//    0x08000422 <+30>:	b.n	0x800040c <main+8>
+// End of assembler dump.
+//  **
 //
 //    commit your answers (bare1_6)
 //