Issue #6603: Fix --with-tsc build failures on x86-64 that resulted
from a gcc inline assembler peculiarity. (gcc's "A" constraint
apparently means 'rax or rdx' in 64-bit mode, not edx:eax
or rdx:rax as one might expect.)
diff --git a/Misc/NEWS b/Misc/NEWS
index e269505..3fc9358 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1345,6 +1345,10 @@
Build
-----
+- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
+ compiles correctly under gcc on x86-64. This fixes a reported
+ problem with the --with-tsc build on x86-64.
+
- Add 2 new options to ``--with-universal-archs`` on MacOSX:
``intel`` builds a distribution with ``i386`` and ``x86_64`` architectures,
while ``3-way`` builds a distribution with the ``ppc``, ``i386``