style: purge em dashes from the produced text

Assisted-by: GLM 5.3 Flash

verify/abi_amd64.s

@@ -9,7 +9,7 @@
 //
 // The return trampoline (leaveJITCheckedRaw) is a raw TEXT symbol with no
 // Go function declaration, so the toolchain does NOT interpose an
-// ABIInternal wrapper — the JIT function RETs directly into the check code,
+// ABIInternal wrapper; the JIT function RETs directly into the check code,
 // which sees the registers exactly as the function left them.
 //
 // Go ABI0 on amd64 guarantees:
@@ -39,7 +39,7 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	JMP  AX
 
 // leaveJITCheckedRaw is the raw return trampoline.  It has NO Go function
-// declaration, so no ABIInternal wrapper is generated — the JIT function's
+// declaration, so no ABIInternal wrapper is generated; the JIT function's
 // RET lands here directly, seeing BP and R14 exactly as the function left
 // them.  It checks the sentinels, records violations in abiResult, then
 // restores the Go stack and returns.

verify/abi_arm64.s

@@ -9,7 +9,7 @@
 //
 // The return trampoline (leaveJITCheckedRaw) is a raw TEXT symbol with no
 // Go function declaration, so the toolchain does NOT interpose an
-// ABIInternal wrapper — the JIT function RETs directly into the check
+// ABIInternal wrapper; the JIT function RETs directly into the check
 // code, which sees the registers exactly as the function left them.
 //
 // Go ABI on arm64 guarantees:
@@ -48,7 +48,7 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	JMP  (R0)                  // branch to JIT function
 
 // leaveJITCheckedRaw is the raw return trampoline.  It has NO Go function
-// declaration, so no ABIInternal wrapper is generated — the JIT function's
+// declaration, so no ABIInternal wrapper is generated; the JIT function's
 // RET lands here directly, seeing R29 and g exactly as the function left
 // them.  It checks the sentinels, records violations in abiResult, then
 // restores the Go stack and returns.

verify/abi_loong64.s

@@ -9,7 +9,7 @@
 //
 // The return trampoline (leaveJITCheckedRaw) is a raw TEXT symbol with no
 // Go function declaration, so the toolchain does NOT interpose an
-// ABIInternal wrapper — the JIT function RETs directly into the check
+// ABIInternal wrapper; the JIT function RETs directly into the check
 // code, which sees the registers exactly as the function left them.
 //
 // Go ABI on loong64 guarantees:
@@ -42,7 +42,7 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	JIRL R0, R4, 0              // jump to JIT function
 
 // leaveJITCheckedRaw is the raw return trampoline.  It has NO Go function
-// declaration, so no ABIInternal wrapper is generated — the JIT function's
+// declaration, so no ABIInternal wrapper is generated; the JIT function's
 // RET lands here directly, seeing g exactly as the function left it.  It
 // checks the sentinel, records violations in abiResult, then restores the
 // Go stack and returns.

verify/abi_riscv64.s

@@ -9,7 +9,7 @@
 //
 // The return trampoline (leaveJITCheckedRaw) is a raw TEXT symbol with no
 // Go function declaration, so the toolchain does NOT interpose an
-// ABIInternal wrapper — the JIT function RETs directly into the check
+// ABIInternal wrapper; the JIT function RETs directly into the check
 // code, which sees the registers exactly as the function left them.
 //
 // Go ABI on riscv64 guarantees:
@@ -42,7 +42,7 @@ TEXT ·enterJITChecked(SB), NOSPLIT, $0-16
 	JALR X0, 0(X5)             // jump to JIT function
 
 // leaveJITCheckedRaw is the raw return trampoline.  It has NO Go function
-// declaration, so no ABIInternal wrapper is generated — the JIT function's
+// declaration, so no ABIInternal wrapper is generated; the JIT function's
 // RET lands here directly, seeing g exactly as the function left it.  It
 // checks the sentinel, records violations in abiResult, then restores the
 // Go stack and returns.

verify/fuzz_extra_test.go

@@ -105,7 +105,7 @@ func TestBlockCount(t *testing.T) {
 
 func TestFillBuffer(t *testing.T) {
 	t.Run("zero", func(t *testing.T) {
-		// fillBuffer("zero") is a no-op — relies on make already zeroing.
+		// fillBuffer("zero") is a no-op; relies on make already zeroing.
 		buf := make([]byte, 16)
 		fillBuffer(buf, "zero")
 		for _, b := range buf {
@@ -159,7 +159,7 @@ func TestFuzzFuncChecked(t *testing.T) {
 	if !result.OK() {
 		t.Errorf("FuzzFuncChecked(sum): %s", result)
 	}
-	// Test with non-existent function — should report failure.
+	// Test with non-existent function; should report failure.
 	result = k.FuzzFuncChecked("nope", sig, 10, 0)
 	if result.OK() {
 		t.Error("FuzzFuncChecked(nope): expected failure")

verify/groundtruth_test.go

@@ -22,7 +22,7 @@ func mustRead(t *testing.T, path string) string {
 }
 
 func TestGroundTruthBasic(t *testing.T) {
-	// Use the simple test kernel — it assembles with go tool asm.
+	// Use the simple test kernel; it assembles with go tool asm.
 	gt, err := GroundTruth("../testdata/verify/basic_amd64.s")
 	if err != nil {
 		t.Fatalf("GroundTruth: %v", err)