diff --git a/include/verilated.cpp b/include/verilated.cpp
index 9483b3997..e3a847edc 100644
--- a/include/verilated.cpp
+++ b/include/verilated.cpp
@@ -40,7 +40,7 @@ VerilatedVoidCb Verilated::s_flushCb = NULL;
 Verilated::Serialized Verilated::s_s;
 VL_THREAD_LOCAL Verilated::ThreadLocal Verilated::t_s;
 
-struct Verilated::CommandArgValues Verilated::s_args = {0, NULL};
+Verilated::CommandArgValues Verilated::s_args;
 
 VerilatedImp VerilatedImp::s_s;
 
diff --git a/include/verilated.h b/include/verilated.h
index ec4628e49..998740bfc 100644
--- a/include/verilated.h
+++ b/include/verilated.h
@@ -332,15 +332,16 @@ class Verilated {
     static VerilatedVoidCb  s_flushCb;		///< Flush callback function
 
     static struct Serialized {   // All these members serialized/deserialized
-	// Slow path
-	int		s_randReset;		///< Random reset: 0=all 0s, 1=all 1s, 2=random
 	// Fast path
 	int		s_debug;		///< See accessors... only when VL_DEBUG set
 	bool		s_calcUnusedSigs;	///< Waves file on, need all signals calculated
 	bool		s_gotFinish;		///< A $finish statement executed
 	bool		s_assertOn;		///< Assertions are enabled
         bool		s_fatalOnVpiError;	///< Stop on vpi error/unsupported
-	Serialized();
+        // Slow path
+        int             s_randReset;            ///< Random reset: 0=all 0s, 1=all 1s, 2=random
+        Serialized();
+        ~Serialized() {}
     } s_s;
 
     // no need to be save-restored (serialized) the
@@ -348,6 +349,8 @@ class Verilated {
     static struct CommandArgValues {
 	int          argc;
 	const char** argv;
+        CommandArgValues() : argc(0), argv(NULL) {}
+        ~CommandArgValues() {}
     } s_args;
 
     // Not covered by mutex, as per-thread
diff --git a/include/verilatedos.h b/include/verilatedos.h
index ee10a6983..5e9039b00 100644
--- a/include/verilatedos.h
+++ b/include/verilatedos.h
@@ -357,13 +357,17 @@ typedef unsigned long long	vluint64_t;	///< 64-bit unsigned type
 // Performance counters
 
 #if VL_THREADED
-# if defined(__i386__) || defined(__x86_64__)
 /// The vluint64_t argument is loaded with a high-performance counter for profiling
 /// or 0x0 if not implemeted on this platform
-#  define VL_RDTSC(val) asm volatile("rdtsc" : "=A" (val))
+# if defined(__i386__) || defined(__x86_64__)
+#  define VL_RDTSC(val) {  \
+    vluint32_t hi, lo;  \
+    asm volatile("rdtsc" : "=a" (lo), "=d" (hi));  \
+    (val) = ((vluint64_t)lo) | (((vluint64_t)hi)<<32);  \
+}
 # elif defined(__aarch64__)
 #  define VL_RDTSC(val) asm volatile("mrs %[rt],PMCCNTR_EL0" : [rt] "=r" (val));
-# elif
+# else
 // We just silently ignore unknown OSes, as only leads to missing statistics
 #  define VL_RDTSC(val) (val) = 0;
 # endif
diff --git a/test_regress/driver.pl b/test_regress/driver.pl
index 4f2bc3496..a99da06d3 100755
--- a/test_regress/driver.pl
+++ b/test_regress/driver.pl
@@ -1,4 +1,6 @@
-#!/usr/bin/perl -w
+: # -*-Mode: perl;-*- use perl, wherever it is
+eval 'exec perl -wS $0 ${1+"$@"}'
+  if 0;
 # See copyright, etc in below POD section.
 ######################################################################