Looks like the following patch solves the problem with for/while
inside {()}. But I don't found solution for ({ return;}) when
nocode_wanted. An tgz with patch and tests is attached.
diff --git a/tccgen.c b/tccgen.c
index 7be2f2f..c1d5cae 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -3848,7 +3848,8 @@ ST_FUNC void unary(void)
if (const_wanted)
tcc_error("expected constant");
/* save all registers */
- save_regs(0);.
+ if (!nocode_wanted)
+ save_regs(0);
/* statement expression : we do not accept break/continue
inside as GCC does */
block(NULL, NULL, NULL, NULL, 0, 1);
@@ -4878,7 +4879,8 @@ static void block(int *bsym, int *csym, int
*case_sym, int *def_sym,
a = gvtst(1, 0);
b = 0;
block(&a, &b, case_sym, def_sym, case_reg, 0);
- gjmp_addr(d);
+ if(!nocode_wanted)
+ gjmp_addr(d);
gsym(a);
gsym_addr(b, d);
} else if (tok == '{') {
@@ -5070,7 +5072,8 @@ static void block(int *bsym, int *csym, int
*case_sym, int *def_sym,
}
skip(')');
block(&a, &b, case_sym, def_sym, case_reg, 0);
- gjmp_addr(c);
+ if(!nocode_wanted)
+ gjmp_addr(c);
gsym(a);
gsym_addr(b, c);
scope_stack_bottom = scope_stack_bottom->next;
vla_label_fix_problem.tgz
Description: GNU Zip compressed data
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