c/10475: internal error with built in expect

c/10475: internal error with built in expect

[mh37]

>Number:         10475
>Category:       c
>Synopsis:       internal error with built in expect
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Thu Apr 24 06:36:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Mark Hayden
>Release:        gcc version 3.3 20030412 (Debian prerelease)
>Organization:
>Environment:
Debian x86, testing, using gcc-3.3
>Description:
My assert()ion infrastructure causes an internal compiler error.  I've included a single small source file (gorp.c) with that causes the problem and included the preprocessed file (gorp.i).  No header files are needed.

gcc-3.3 -O2 -v -save-temps gorp.c
Reading specs from /usr/lib/gcc-lib/i386-linux/3.3/specs
Configured with: ../src/configure -v --enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-gxx-include-dir=/usr/include/c++/3.3 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --enable-debug --enable-java-gc=boehm --enable-java-awt=xlib --enable-objc-gc i386-linux
Thread model: posix
gcc version 3.3 20030412 (Debian prerelease)
 /usr/lib/gcc-lib/i386-linux/3.3/cc1 -E -quiet -v -D__GNUC__=3 -D__GNUC_MINOR__=3 -D__GNUC_PATCHLEVEL__=0 gorp.c -O2 gorp.i
ignoring nonexistent directory "/usr/i386-linux/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/lib/gcc-lib/i386-linux/3.3/include
 /usr/include
End of search list.
 /usr/lib/gcc-lib/i386-linux/3.3/cc1 -fpreprocessed gorp.i -quiet -dumpbase gorp.c -auxbase gorp -O2 -version -o gorp.s
GNU C version 3.3 20030412 (Debian prerelease) (i386-linux)
	compiled by GNU C version 3.3 20030412 (Debian prerelease).
GGC heuristics: --param ggc-min-expand=47 --param ggc-min-heapsize=32135
gorp.c: In function `test':
gorp.c:59: internal compiler error: in subreg_highpart_offset, at emit-rtl.c:1319
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.



typedef unsigned char uint8_t ;

typedef unsigned short uint16_t ;

typedef unsigned uint32_t ;

typedef unsigned long long uint64_t ;

typedef uint32_t count_t ;
typedef uint32_t ofs_t ;
typedef uint32_t len_t ;
typedef void * env_t ;

#define NULL (0)

#define ATTRIBUTE(x) __attribute__((x))
#define PREDICT(v,c) ((bool_t) (__builtin_expect((v),(c))))
#define PREDICT_FALSE(v) PREDICT((v), FALSE)
#define PREDICT_TRUE(v) PREDICT((v), TRUE)
#define UNUSED() ATTRIBUTE(unused)
#define NO_RETURN() ATTRIBUTE(__noreturn__)
#define IS_CONSTANT(v) __builtin_constant_p(v)

/*************************************************************/

typedef int bool_t ;

#define FALSE ((bool_t)0)
#define TRUE ((bool_t)1)

/*************************************************************/

typedef const char * string_t ;
typedef char * stringm_t ;
typedef string_t debug_t ;

/*************************************************************/

void assert_eq_fail(
	uint64_t val0,
	uint64_t val1,
	string_t expr0,
	string_t expr1,
	string_t file,
	uint32_t line,
	string_t function
) NO_RETURN() ;

static inline
void assert_eq_help(
	uint64_t const v0,
	uint64_t const v1,
	string_t const v0_s,
	string_t const v1_s,
	string_t const file,
	uint32_t const line,
	string_t const function
) {
    if (ASSERT_PREDICT_TRUE(v0 == v1)) {
	return ;
    }

    assert_eq_fail(v0, v1, v0_s, v1_s, file, line, function) ;
}

#define assert_eq(v0, v1) \
  assert_eq_help((v0), (v1), #v0, #v1, __FILE__, __LINE__, __FUNCTION__)

/*************************************************************/

static
void test(void) {
    assert_eq(0, 1) ;
}


>How-To-Repeat:
Compile gorp.c using the command line in the description above.
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="gorp.i"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="gorp.i"

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