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cc: fix result of operation not used warning for void casts

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This commit is contained in:
spew 2018-05-24 19:31:55 -04:00
parent 434fc6a1c4
commit 1ddf581f8c
8 changed files with 32 additions and 8 deletions
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5
sys/src/cmd/1c/cgen.c
View file

@ -376,7 +376,10 @@ cgen(Node *n, int result, Node *nn)
case OCAST: case OCAST:
if(result == D_NONE) { if(result == D_NONE) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, D_NONE, Z);
break; break;
} }
lg = result; lg = result;

5
sys/src/cmd/2c/cgen.c
View file

@ -376,7 +376,10 @@ cgen(Node *n, int result, Node *nn)
case OCAST: case OCAST:
if(result == D_NONE) { if(result == D_NONE) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, D_NONE, Z);
break; break;
} }
lg = result; lg = result;

5
sys/src/cmd/5c/cgen.c
View file

@ -399,7 +399,10 @@ cgenrel(Node *n, Node *nn, int inrel)
case OCAST: case OCAST:
if(nn == Z) { if(nn == Z) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, Z);
break; break;
} }
/* /*

5
sys/src/cmd/6c/cgen.c
View file

@ -976,7 +976,10 @@ cgen(Node *n, Node *nn)
case OCAST: case OCAST:
if(nn == Z) { if(nn == Z) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, Z);
break; break;
} }
/* /*

5
sys/src/cmd/8c/cgen.c
View file

@ -994,7 +994,10 @@ cgen(Node *n, Node *nn)
case OCAST: case OCAST:
if(nn == Z) { if(nn == Z) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, Z);
break; break;
} }
/* /*

5
sys/src/cmd/kc/cgen.c
View file

@ -358,7 +358,10 @@ cgen(Node *n, Node *nn)
case OCAST: case OCAST:
if(nn == Z) { if(nn == Z) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, Z);
break; break;
} }
/* /*

5
sys/src/cmd/qc/cgen.c
View file

@ -395,7 +395,10 @@ cgen(Node *n, Node *nn)
case OCAST: case OCAST:
if(nn == Z) { if(nn == Z) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, Z);
break; break;
} }
/* /*

5
sys/src/cmd/vc/cgen.c
View file

@ -359,7 +359,10 @@ cgen(Node *n, Node *nn)
case OCAST: case OCAST:
if(nn == Z) { if(nn == Z) {
nullwarn(l, Z); if(n->type != types[TVOID])
nullwarn(l, Z);
else
cgen(l, Z);
break; break;
} }
/* /*