[Bug target/28574] [4.2 regression] switch statement points to unreferenced label at -O2
------- Comment #6 from tbm at cyrius dot com 2006-08-02 19:43 -------
Slightly more reduced testcase:
typedef enum yasm_module_type {
YASM_MODULE_ARCH = 0,
YASM_MODULE_DBGFMT,
YASM_MODULE_OBJFMT,
YASM_MODULE_LISTFMT,
YASM_MODULE_OPTIMIZER
} yasm_module_type;
typedef struct yasm_module {
const char *name;
};
typedef struct yasm_module yasm_arch_module;
typedef struct yasm_module yasm_dbgfmt_module;
typedef struct yasm_module yasm_objfmt_module;
typedef struct yasm_module yasm_listfmt_module;
typedef struct yasm_module yasm_optimizer_module;
typedef struct module {
void *data;
} module;
static struct {
module *m;
int n;
} module_types[] = {
{},
};
void
yasm_list_modules(yasm_module_type type,
void (*printfunc) (const char *name))
{
int i;
module *modules = module_types[type].m;
yasm_arch_module *arch;
yasm_dbgfmt_module *dbgfmt;
yasm_objfmt_module *objfmt;
yasm_listfmt_module *listfmt;
yasm_optimizer_module *optimizer;
for (i=0; i<2; i++) {
switch (type) {
case YASM_MODULE_ARCH:
arch = modules[i].data;
printfunc(arch->name);
break;
case YASM_MODULE_DBGFMT:
dbgfmt = modules[i].data;
printfunc(dbgfmt->name);
break;
case YASM_MODULE_OBJFMT:
objfmt = modules[i].data;
printfunc(objfmt->name);
break;
case YASM_MODULE_LISTFMT:
listfmt = modules[i].data;
printfunc(listfmt->name);
break;
case YASM_MODULE_OPTIMIZER:
optimizer = modules[i].data;
printfunc(optimizer->name);
}
}
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28574
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