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allow data statements for simple

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external variable assignements.

R=rsc
CC=golang-dev
https://golang.org/cl/1094041
This commit is contained in:
Ken Thompson 2010-05-03 22:51:30 -07:00
parent b9caa4ac56
commit a3a0a5fdc3
2 changed files with 5 additions and 7 deletions
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8
src/cmd/gc/init.c
View File

@ -37,17 +37,14 @@ renameinit(Node *n)
* return * return
* throw(); (5) * throw(); (5)
* } * }
* initdone.<file> += 1; (6) * initdone.<file> = 1; (6)
* // over all matching imported symbols * // over all matching imported symbols
* <pkg>.init·<file>() (7) * <pkg>.init·<file>() (7)
* { <init stmts> } (8) * { <init stmts> } (8)
* init·<file>() // if any (9) * init·<file>() // if any (9)
* initdone.<file> += 1; (10) * initdone.<file> = 2; (10)
* return (11) * return (11)
* } * }
* note that this code cannot have an assignment
* statement or, because of the initflag, it will
* be converted into a data statement.
*/ */
int int
anyinit(NodeList *n) anyinit(NodeList *n)
@ -120,7 +117,6 @@ fninit(NodeList *n)
addvar(gatevar, types[TUINT8], PEXTERN); addvar(gatevar, types[TUINT8], PEXTERN);
// (2) // (2)
maxarg = 0; maxarg = 0;
snprint(namebuf, sizeof(namebuf), "Init·"); snprint(namebuf, sizeof(namebuf), "Init·");

4
src/cmd/gc/walk.c
View File

@ -701,8 +701,10 @@ walkexpr(Node **np, NodeList **init)
if(l == N || r == N) if(l == N || r == N)
goto ret; goto ret;
r = ascompatee1(n->op, l, r, init); r = ascompatee1(n->op, l, r, init);
if(r != N) if(r != N) {
r->dodata = n->dodata;
n = r; n = r;
}
goto ret; goto ret;
case OAS2: case OAS2: