--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/desktop/thunderbird/patches/firefox27-67-ion_AsmJS_x86.patch	Mon Jan 11 09:27:45 2016 -0800
@@ -0,0 +1,14 @@
+REG_EIP is already defined elsewhere for Linux. 
+
+--- comm-esr31/mozilla/js/src/jit/AsmJSSignalHandlers.cpp.orig	2015-06-04 17:42:51.702781399 -0700
++++ comm-esr31/mozilla/js/src/jit/AsmJSSignalHandlers.cpp	2015-06-04 17:42:51.707794331 -0700
+@@ -58,6 +58,9 @@
+ # define R14_sig(p) ((p)->sc_r14)
+ # define R15_sig(p) ((p)->sc_r15)
+ #elif defined(__linux__) || defined(SOLARIS)
++# if defined(SOLARIS)
++#  define REG_EIP EIP
++# endif
+ # if defined(__linux__)
+ #  define XMM_sig(p,i) ((p)->uc_mcontext.fpregs->_xmm[i])
+ #  define EIP_sig(p) ((p)->uc_mcontext.gregs[REG_EIP])