This simple code:
typedef void (*TestFunction)(int *);
void Add(int *testCase);
void test(void);
int* TestNew( TestFunction function);
static void foo(int* tc){
test();
}
int* GetProfileSuite(){
Add(TestNew(foo));
return 0;
}
...triggers internal assert on my port of 4.3.2 when compiled with -O2 -g. It
will pass with -O2 only or with -O2 -fno-var-tracking -g.
The assert triggered is this one:
...
static void
check_cfg (rtx head, rtx tail)
{
...
if (control_flow_insn_p (head))
{
gcc_assert (BB_END (bb) == head); <<<<<< This one
if (any_uncondjump_p (head))
gcc_assert (EDGE_COUNT (bb->succs) == 1
&& BARRIER_P (NEXT_INSN (head)));
It looks like free_cfg pass removes something it should not after
NOTE_INSN_VAR_LOCATION was inserted by variable_tracking pass.
--
Summary: internal compiler error: in check_cfg, at haifa-sched.c,
var-tracking
Product: gcc
Version: 4.3.2
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: sergei_lus at yahoo dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39274
