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tccgen.c: Bug fix for 992cbda and 3ff77a1: set nocode_wanted.

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tests/tests2/78_vla_label.*: Add test.
This commit is contained in:
Edmund Grimley Evans 2015-11-21 23:58:58 +00:00
parent cfef9ac3f5
commit 737f984213
3 changed files with 39 additions and 8 deletions
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34
tccgen.c
View File

@ -4468,8 +4468,11 @@ static void expr_land(void)
expr_land();
gen_cast(&ctb);
} else {
int saved_nocode_wanted = nocode_wanted;
nocode_wanted = 1;
expr_land();
vpop();
nocode_wanted = saved_nocode_wanted;
}
gen_cast(&cti);
} else {
@ -4499,8 +4502,11 @@ static void expr_lor(void)
next();
gen_cast(&ctb);
if (vtop->c.i) {
int saved_nocode_wanted = nocode_wanted;
nocode_wanted = 1;
expr_lor();
vpop();
nocode_wanted = saved_nocode_wanted;
} else {
vpop();
expr_lor();
@ -4533,6 +4539,7 @@ static void expr_cond(void)
if (tok == '?') {
next();
if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) {
int saved_nocode_wanted = nocode_wanted;
CType boolean;
int c;
boolean.t = VT_BOOL;
@ -4540,16 +4547,27 @@ static void expr_cond(void)
gen_cast(&boolean);
c = vtop->c.i;
vpop();
if (tok != ':' || !gnu_ext) {
if (c) {
if (tok != ':' || !gnu_ext) {
vpop();
gexpr();
}
skip(':');
nocode_wanted = 1;
expr_cond();
vpop();
gexpr();
nocode_wanted = saved_nocode_wanted;
} else {
vpop();
if (tok != ':' || !gnu_ext) {
nocode_wanted = 1;
gexpr();
vpop();
nocode_wanted = saved_nocode_wanted;
}
skip(':');
expr_cond();
}
if (!c)
vpop();
skip(':');
expr_cond();
if (c)
vpop();
}
else {
if (vtop != vstack) {

9
tests/tests2/78_vla_label.c
View File

@ -27,10 +27,19 @@ void f2(void)
}
}
void f3(void)
{
printf("%d\n", 0 ? printf("x1\n") : 11);
printf("%d\n", 1 ? 12 : printf("x2\n"));
printf("%d\n", 0 && printf("x3\n"));
printf("%d\n", 1 || printf("x4\n"));
}
int main()
{
f1(2);
f2();
f3();
return 0;
}

4
tests/tests2/78_vla_label.expect
View File

@ -1,2 +1,6 @@
boom!
boom!
11
12
0
1