Index: libcfa/src/exception.c
===================================================================
--- libcfa/src/exception.c	(revision 5847d359c681deeb93d0a2629e093d1d186cc093)
+++ libcfa/src/exception.c	(revision 998c1060e28d11706c02b49c85457ac9f24f8852)
@@ -445,9 +445,5 @@
 
 #pragma GCC push_options
-#if __GNUC__ < 7
-#pragma GCC optimize("no-toplevel-reorder")
-#elif __GNUC__ == 7
 #pragma GCC optimize(0)
-#endif
 
 // Try statements are hoisted out see comments for details. While this could probably be unique
@@ -546,5 +542,5 @@
 	"	.quad __gcfa_personality_v0\n"
 #else // then __i386
-	"   .long __gcfa_personality_v0\n"
+	"	.long __gcfa_personality_v0\n"
 #endif
 );
Index: libcfa/src/heap.cfa
===================================================================
--- libcfa/src/heap.cfa	(revision 5847d359c681deeb93d0a2629e093d1d186cc093)
+++ libcfa/src/heap.cfa	(revision 998c1060e28d11706c02b49c85457ac9f24f8852)
@@ -10,6 +10,6 @@
 // Created On       : Tue Dec 19 21:58:35 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Sat Apr 18 08:17:53 2020
-// Update Count     : 716
+// Last Modified On : Sat Apr 18 17:43:15 2020
+// Update Count     : 718
 //
 
@@ -844,6 +844,6 @@
 
 extern "C" {
-	// Allocates size bytes and returns a pointer to the allocated memory. The memory is not initialized. If size is 0,
-	// then malloc() returns either 0p, or a unique pointer value that can later be successfully passed to free().
+	// Allocates size bytes and returns a pointer to the allocated memory.  The contents are undefined. If size is 0,
+	// then malloc() returns a unique pointer value that can later be successfully passed to free().
 	void * malloc( size_t size ) {
 		#ifdef __STATISTICS__
@@ -856,7 +856,5 @@
 
 
-	// Allocate memory for an array of dim elements of size bytes each and returns a pointer to the allocated memory. If
-	// dim or size is 0, then calloc() returns either 0p, or a unique pointer value that can later be successfully
-	// passed to free().
+	// Same as malloc() except size bytes is an array of dim elements each of elemSize bytes.
 	void * aalloc( size_t dim, size_t elemSize ) {
 		#ifdef __STATISTICS__
@@ -879,5 +877,5 @@
 
 
-	// Same as aalloc() with memory is set to zero.
+	// Same as aalloc() with memory set to zero.
 	void * calloc( size_t dim, size_t elemSize ) {
 		#ifdef __STATISTICS__
@@ -889,9 +887,8 @@
 	} // calloc
 
-	// Change the size of the memory block pointed to by ptr to size bytes. The contents are undefined.  If ptr is 0p,
-	// then the call is equivalent to malloc(size), for all values of size; if size is equal to zero, and ptr is not 0p,
-	// then the call is equivalent to free(ptr). Unless ptr is 0p, it must have been returned by an earlier call to
-	// malloc(), calloc() or realloc(). If the area pointed to was moved, a free(ptr) is done.
-
+	// Change the size of the memory block pointed to by oaddr to size bytes. The contents are undefined.  If oaddr is
+	// 0p, then the call is equivalent to malloc(size), for all values of size; if size is equal to zero, and oaddr is
+	// not 0p, then the call is equivalent to free(oaddr). Unless oaddr is 0p, it must have been returned by an earlier
+	// call to malloc(), alloc(), calloc() or realloc(). If the area pointed to was moved, a free(oaddr) is done.
 	void * resize( void * oaddr, size_t size ) {
 		#ifdef __STATISTICS__
@@ -923,5 +920,5 @@
 
 
-	// Same as resize but the contents shall be unchanged in the range from the start of the region up to the minimum of
+	// Same as resize() but the contents are unchanged in the range from the start of the region up to the minimum of
 	// the old and new sizes.
 	void * realloc( void * oaddr, size_t size ) {
@@ -973,6 +970,5 @@
 	} // realloc
 
-	// Allocates size bytes and returns a pointer to the allocated memory. The memory address shall be a multiple of
-	// alignment, which must be a power of two. (obsolete)
+	// Same as malloc() except the memory address is a multiple of alignment, which must be a power of two. (obsolete)
 	void * memalign( size_t alignment, size_t size ) {
 		#ifdef __STATISTICS__