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gc: make sure main.main has correct type

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R=ken2
CC=golang-dev
https://golang.org/cl/883049
This commit is contained in:
Russ Cox 2010-04-11 14:51:35 -07:00
parent d77010547d
commit fe7826858c
2 changed files with 10 additions and 3 deletions
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11
src/cmd/gc/go.y
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@ -1070,11 +1070,18 @@ fndcl:
$3 = checkarglist($3, 1);
$$ = nod(ODCLFUNC, N, N);
$$->nname = $1;
if($3 == nil && $5 == nil)
$$->nname = renameinit($1);
n = nod(OTFUNC, N, N);
n->list = $3;
n->rlist = $5;
if(strcmp($1->sym->name, "init") == 0) {
$$->nname = renameinit($1);
if($3 != nil || $5 != nil)
yyerror("func init must have no arguments and no return values");
}
if(strcmp(localpkg->name, "main") == 0 && strcmp($1->sym->name, "main") == 0) {
if($3 != nil || $5 != nil)
yyerror("func main must have no arguments and no return values");
}
// TODO: check if nname already has an ntype
$$->nname->ntype = n;
funchdr($$);

2
test/fixedbugs/bug039.go
View File

@ -6,6 +6,6 @@
package main
func main (x int) { // GCCGO_ERROR "previous"
func f (x int) { // GCCGO_ERROR "previous"
var x int; // ERROR "redecl|redefinition"
}