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-rw-r--r--src/cmd/gc/swt.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/cmd/gc/swt.c b/src/cmd/gc/swt.c
index 3f62706f7..318427636 100644
--- a/src/cmd/gc/swt.c
+++ b/src/cmd/gc/swt.c
@@ -33,6 +33,14 @@ struct Case
};
#define C ((Case*)nil)
+Type*
+notideal(Type *t)
+{
+ if(t != T && t->etype == TIDEAL)
+ return T;
+ return t;
+}
+
void
dumpcase(Case *c0)
{
@@ -254,8 +262,8 @@ sw0(Node *c, Type *place, int arg)
Type*
sw1(Node *c, Type *place, int arg)
{
- if(place == T)
- return c->type;
+ if(place != T)
+ return notideal(c->type);
return place;
}
@@ -605,7 +613,7 @@ exprswitch(Node *sw)
* walk the cases as appropriate for switch type
*/
walkcases(sw, sw0, arg);
- t = sw->ntest->type;
+ t = notideal(sw->ntest->type);
if(t == T)
t = walkcases(sw, sw1, arg);
if(t == T)