New compiler and bytecodes for foreach and lmap: 70% faster

* speed as measured by http://wiki.tcl.tk/39021: runs in <1/3 the time
  the time
* still need to adapt array-set to use this
* assemble.test-16.5 or 16.6 bombs in a purify/symbols build (?)
* removing the old opcodes would force old .tbc files to be recompiled, or
  an adaptation of tbcload to rwrite all foreachs

FossilOrigin-Name: 3782af5f5ae58a128d65e6234b256f6358ea6ecf

1 files changed, 4 insertions, 0 deletions

diff --git a/generic/tcl.h b/generic/tcl.h
index 4bf81cc..aab299e 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -848,6 +848,10 @@ typedef struct Tcl_Obj {
 	    void *ptr;
 	    unsigned long value;
 	} ptrAndLongRep;
+	struct {
+	    long int1;
+	    long int2;
+	} twoIntValue;
     } internalRep;
 } Tcl_Obj;