http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54528
Bug #: 54528
Summary: [4.8 Regression] system.h:288:78: error: integer
overflow in expression
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: preprocessor
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: dang...@gcc.gnu.org
Host: hppa-unknown-linux-gnu
Target: hppa-unknown-linux-gnu
Build: hppa-unknown-linux-gnu
Created attachment 28153
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28153
Preprocessed source
/home/dave/gnu/gcc/objdir/./prev-gcc/g++
-B/home/dave/gnu/gcc/objdir/./prev-gcc/
-B/home/dave/opt/gnu/gcc/gcc-4.8.0/hppa-linux-gnu/bin/ -nostdinc++
-B/home/dave
/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/src/.libs
-B/home/dave/gnu/gcc/
objdir/prev-hppa-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/home/dave/gnu/gcc/obj
dir/prev-hppa-linux-gnu/libstdc++-v3/include/hppa-linux-gnu
-I/home/dave/gnu/gcc
/objdir/prev-hppa-linux-gnu/libstdc++-v3/include
-I/home/dave/gnu/gcc/gcc/libstdc++-v3/libsupc++
-L/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/sr
c/.libs
-L/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/libsupc++/.
libs -c -g -O2 -DIN_GCC -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing
-W
write-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-W
no-variadic-macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H
-I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
-I../../gcc
/gcc/../libcpp/include -I../../gcc/gcc/../libdecnumber
-I../../gcc/gcc/../libde
cnumber/dpd -I../libdecnumber ../../gcc/gcc/mcf.c -o mcf.o
In file included from ../../gcc/gcc/mcf.c:47:0:
../../gcc/gcc/mcf.c: In function ‘void dump_fixup_edge(FILE*,
fixup_graph_type*, fixup_edge_p)’:
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:211:34: note: in expansion of macro 'CAP_INFINITY'
if (fedge->max_capacity == CAP_INFINITY)
^
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:219:27: note: in expansion of macro 'CAP_INFINITY'
if (fedge->rflow == CAP_INFINITY)
^
../../gcc/gcc/mcf.c: In function ‘void create_fixup_graph(fixup_graph_type*)’:
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:531:28: note: in expansion of macro 'CAP_INFINITY'
fcost, CAP_INFINITY);
^
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:543:23: note: in expansion of macro 'CAP_INFINITY'
CAP_INFINITY);
^
../../gcc/gcc/mcf.c: In function ‘bool cancel_negative_cycle(fixup_graph_type*,
int*, gcov_type*, int*)’:
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:806:14: note: in expansion of macro 'CAP_INFINITY'
d[i] = CAP_INFINITY;
^
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:822:34: note: in expansion of macro 'CAP_INFINITY'
&& d[pfedge->src] != CAP_INFINITY
^
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:845:32: note: in expansion of macro 'CAP_INFINITY'
&& d[pfedge->src] != CAP_INFINITY
^
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:886:16: note: in expansion of macro 'CAP_INFINITY'
cycle_flow = CAP_INFINITY;
^
../../gcc/gcc/mcf.c: In function ‘gcov_type find_max_flow(fixup_graph_type*,
int, int)’:
../../gcc/gcc/system.h:288:78: error: integer overflow in expression
[-Werror=overflow]
? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
^
../../gcc/gcc/system.h:289:44: note: in expansion of macro 'INTTYPE_MINIMUM'
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
^
../../gcc/gcc/mcf.c:55:22: note: in expansion of macro 'INTTYPE_MAXIMUM'
#define CAP_INFINITY INTTYPE_MAXIMUM (HOST_WIDEST_INT)
^
../../gcc/gcc/mcf.c:1056:29: note: in expansion of macro 'CAP_INFINITY'
gcov_type increment = CAP_INFINITY;
^
cc1plus: all warnings being treated as errors
make[3]: *** [mcf.o] Error 1
dave@mx3210:~/gnu/gcc/objdir/prev-gcc$ ./xgcc -B./ -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa-linux-gnu
Configured with: ../gcc/configure --with-gnu-as --with-gnu-ld --enable-shared
--enable-multiarch --with-multiarch-defaults=hppa-linux-gnu
--enable-linker-build-id --build=hppa-linux-gnu --host=hppa-linux-gnu
--target=hppa-linux-gnu --prefix=/home/dave/opt/gnu/gcc/gcc-4.8.0
--with-local-prefix=/home/dave/opt/gnu --enable-threads=posix
--enable-__cxa_atexit --build=hppa-linux-gnu --enable-clocale=gnu
--enable-java-gc=boehm --without-cloog --without-ppl
--enable-languages=c,c++,objc,fortran,obj-c++,java,ada,lto
Thread model: posix
gcc version 4.8.0 20120908 (experimental) [trunk revision 191088] (GCC)
