Command line:
gcc testcase.c
--------- testcase.c ---------
int foo(int i)
{
i ? : (void *){};
}
------------------------------
Output - 4.5 r157122, checking:
$ /mnt/svn/gcc-trunk/binary-157122/bin/gcc testcase.c
testcase.c: In function 'foo':
testcase.c:3:3: error: empty scalar initializer
testcase.c:3:3: error: (near initialization for '(anonymous)')
testcase.c:3:7: warning: pointer/integer type mismatch in conditional
expression
testcase.c:3:7: internal compiler error: tree check: expected class 'type',
have 'exceptional' (error_mark) in useless_type_conversion_p, at
tree-ssa.c:1233
Output - 4.4 r157120, checking:
$ /mnt/svn/gcc-4_4/binary-157120-enable-checking/bin/gcc testcase.c
testcase.c: In function 'foo':
testcase.c:3: error: empty scalar initializer
testcase.c:3: error: (near initialization for '(anonymous)')
testcase.c:3: warning: pointer/integer type mismatch in conditional expression
testcase.c:3: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in c_types_compatible_p, at c-objc-common.c:190
Output - 4.5 r157122, disabled checking:
$ gcc-4.5.0-alpha20100225 testcase.c
testcase.c: In function 'foo':
testcase.c:3:3: error: empty scalar initializer
testcase.c:3:3: error: (near initialization for '(anonymous)')
testcase.c:3:7: warning: pointer/integer type mismatch in conditional
expression
testcase.c:3: confused by earlier errors, bailing out
Output - 4.4.3, disabled checking:
$ gcc-4.4.3 testcase.c
testcase.c: In function 'foo':
testcase.c:3: error: empty scalar initializer
testcase.c:3: error: (near initialization for '(anonymous)')
testcase.c:3: warning: pointer/integer type mismatch in conditional expression
testcase.c:3: confused by earlier errors, bailing out
Output - 4.3.4, disabled checking:
$ gcc-4.3.4 testcase.c
testcase.c: In function 'foo':
testcase.c:3: error: empty scalar initializer
testcase.c:3: error: (near initialization for '(anonymous)')
testcase.c:3: warning: pointer/integer type mismatch in conditional expression
It is probably different problem than pr43082, 4.4 ICEs at different place. I
don't have any 4.3 build with checking to test.
--
Summary: ICE: tree check: expected class 'type', have
'exceptional' (error_mark) in useless_type_conversion_p,
at tree-ssa.c:1233
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43248
