[m-dev.] diff: disable acc intro at -O3

[Peter Ross]

Hi,

===================================================================


Estimated hours taken: 0.1

compiler/options.m:
    Disable the accumulator introduction optimization at -O3, as it
    causes a compiler abort in extras/trailed_update/var.m.


Index: options.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/options.m,v
retrieving revision 1.283
diff -u -r1.283 options.m
--- options.m	2000/06/28 07:42:04	1.283
+++ options.m	2000/07/24 11:03:01
@@ -1358,7 +1358,8 @@
 	optimize_higher_order	-	bool(yes),
 	deforestation		-	bool(yes),
 	constant_propagation	-	bool(yes),
-	introduce_accumulators	-	bool(yes),
+	% Disabled until a bug in extras/trailed_update/var.m
+	% is resolved.
+	%introduce_accumulators	-	bool(yes),
 	optimize_repeat		-	int(4)
 ]).
 

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