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print(1<<x)

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R=ken
OCL=32252
CL=32252
This commit is contained in:
Russ Cox 2009-07-27 16:17:09 -07:00
parent 30228a3bc6
commit 059bbdd340
3 changed files with 17 additions and 4 deletions
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2
src/cmd/gc/const.c
View File

@ -94,7 +94,7 @@ convlit1(Node **np, Type *t, int explicit)
break; break;
case OLSH: case OLSH:
case ORSH: case ORSH:
convlit(&n->left, t); convlit1(&n->left, t, explicit);
n->type = n->left->type; n->type = n->left->type;
return; return;
} }

7
src/cmd/gc/walk.c
View File

@ -858,7 +858,8 @@ reswitch:
defaultlit(&n->right, types[TUINT]); defaultlit(&n->right, types[TUINT]);
if(n->left->type == T || n->right->type == T) if(n->left->type == T || n->right->type == T)
goto ret; goto ret;
if(issigned[n->right->type->etype] || !isint[n->right->type->etype]) et = n->right->type->etype;
if(issigned[et] || !isint[et])
goto badt; goto badt;
// check of n->left->type happens in second switch. // check of n->left->type happens in second switch.
break; break;
@ -2500,14 +2501,14 @@ prcompat(NodeList *all, int fmt, int dopanic)
switch(n->val.ctype) { switch(n->val.ctype) {
case CTINT: case CTINT:
defaultlit(&n, types[TINT64]); defaultlit(&n, types[TINT64]);
l->n = n;
break; break;
case CTFLT: case CTFLT:
defaultlit(&n, types[TFLOAT64]); defaultlit(&n, types[TFLOAT64]);
l->n = n;
break; break;
} }
} }
defaultlit(&n, nil);
l->n = n;
if(n->type == T) if(n->type == T)
continue; continue;

12
test/fixedbugs/bug174.go Normal file
View File

@ -0,0 +1,12 @@
// $G $D/$F.go || echo BUG: bug174
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
func main() {
var x uint;
println(1<<x);
}