[Bug bootstrap/88089] New: [9 regression] build failure with GCC 4.9 on SPARC/Solaris 11

["ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88089

            Bug ID: 88089
           Summary: [9 regression] build failure with GCC 4.9 on
                    SPARC/Solaris 11
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Keywords: build
          Severity: blocker
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ebotcazou at gcc dot gnu.org
  Target Milestone: ---
              Host: sparc-sun-solaris2.11
            Target: sparc-sun-solaris2.11
             Build: sparc-sun-solaris2.11

The error message is:

/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c: In function
'data_dependence_relation* initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)':
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:17: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::start_a'
[-Wmissing-field-initializers]
   } full_seq = {}, struct_seq = {};
                 ^
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:17: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::start_b'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:17: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::length'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:17: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::object_a'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:17: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::object_b'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:34: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::start_a'
[-Wmissing-field-initializers]
   } full_seq = {}, struct_seq = {};
                                  ^
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:34: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::start_b'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:34: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::length'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:34: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::object_a'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:2428:34: warning: missing
initializer for member 'initialize_data_dependence_relation(data_reference*,
data_reference*, vec<loop*>)::<anonymous struct>::object_b'
[-Wmissing-field-initializers]
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c: In function 'void
lambda_matrix_right_hermite(lambda_matrix, int, int, lambda_matrix,
lambda_matrix)':
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:3549:29: error: call of
overloaded 'abs(lambda_int&)' is ambiguous
     a = abs (a);
                             ^
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:3549:29: note: candidates are:
In file included from /usr/include/stdlib.h:11:0,
                 from /homes/botcazou/gcc-head/src/gcc/system.h:258,
                 from /homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:77:
/usr/include/iso/stdlib_iso.h:154:23: note: long int std::abs(long int)
  inline long   abs(long _l) { return labs(_l); }
                       ^
/usr/include/iso/stdlib_iso.h:108:12: note: int std::abs(int)
 extern int abs(int);
            ^
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:3550:29: error: call of
overloaded 'abs(lambda_int&)' is ambiguous
     b = abs (b);
                             ^
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:3550:29: note: candidates are:
In file included from /usr/include/stdlib.h:11:0,
                 from /homes/botcazou/gcc-head/src/gcc/system.h:258,
                 from /homes/botcazou/gcc-head/src/gcc/tree-data-ref.c:77:
/usr/include/iso/stdlib_iso.h:154:23: note: long int std::abs(long int)
  inline long   abs(long _l) { return labs(_l); }
                       ^
/usr/include/iso/stdlib_iso.h:108:12: note: int std::abs(int)
 extern int abs(int);
            ^

g++ -std=gnu++98 -fno-PIE -c   -g -O -DIN_GCC     -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual
-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings
-fno-common  -DHAVE_CONFIG_H -I. -I. -I/homes/botcazou/gcc-head/src/gcc
-I/homes/botcazou/gcc-head/src/gcc/.
-I/homes/botcazou/gcc-head/src/gcc/../include
-I/homes/botcazou/gcc-head/src/gcc/../libcpp/include
-I/homes/botcazou/support/sparc/include -I/homes/botcazou/support/sparc/include
-I/homes/botcazou/support/sparc/include 
-I/homes/botcazou/gcc-head/src/gcc/../libdecnumber
-I/homes/botcazou/gcc-head/src/gcc/../libdecnumber/dpd -I../libdecnumber
-I/homes/botcazou/gcc-head/src/gcc/../libbacktrace   -o tree-data-ref.o -MT
tree-data-ref.o -MMD -MP -MF ./.deps/tree-data-ref.TPo
/homes/botcazou/gcc-head/src/gcc/tree-data-ref.c

(botcazou@aurora) /aurora.a/users/botcazou/gcc-head $ g++ --versiong++ (GCC)
4.9.4 20151030 (prerelease)
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