[Bug other/63426] [meta-bug] Issues found with -fsanitize=undefined

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426

--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Here's the list of issues found today on ppc64le:

gcc/c/c-typeck.c:8239:42: runtime error: load of address 0x3fffefac3e10 with
insufficient space for an object of type 'long int'
gcc/c/c-typeck.c:8239:42: runtime error: store to address 0x3fffd838e360 with
insufficient space for an object of type 'long int'
gcc/c-family/c-ada-spec.c:105:22: runtime error: load of address 0x3fffd57d3a88
with insufficient space for an object of type 'int'
gcc/c-family/c-ada-spec.c:93:34: runtime error: load of address 0x3fffd57d3a88
with insufficient space for an object of type 'int'
gcc/c-family/c-ada-spec.c:97:23: runtime error: load of address 0x3fffd57d3a88
with insufficient space for an object of type 'int'
gcc/expmed.c:3024:42: runtime error: signed integer overflow:
-9223372036854775808 - 1 cannot be represented in type 'long int'
gcc/fortran/data.c:181:32: runtime error: null pointer passed as argument 2,
which is declared to never be null
gcc/fortran/interface.c:2701:33: runtime error: load of value 1818451807, which
is not a valid value for type 'expr_t'
gcc/fortran/interface.c:2949:42: runtime error: load of value 272321136, which
is not a valid value for type 'ar_type'
gcc/fortran/module.c:2361:28: runtime error: load of value 271605604, which is
not a valid value for type 'bt'
gcc/fortran/trans-array.c:2223:27: runtime error: load of value 100, which is
not a valid value for type 'bool'
gcc/fortran/trans-array.c:2223:27: runtime error: load of value 100, which is
not a valid value for type 'bool'
gcc/fortran/trans-expr.c:2384:48: runtime error: negation of
-9223372036854775808 cannot be represented in type 'long int [3]'; cast to an
unsigned type to negate this value to itself
gcc/fortran/trans-expr.c:5454:19: runtime error: member call on null pointer of
type 'struct vec'
gcc/fortran/trans-expr.c:5457:19: runtime error: member call on null pointer of
type 'struct vec'
gcc/fortran/trans-expr.c:5460:19: runtime error: member call on null pointer of
type 'struct vec'
gcc/gcov-io.c:376:38: runtime error: null pointer passed as argument 2, which
is declared to never be null
gcc/hwint.h:250:19: runtime error: shift exponent 64 is too large for 64-bit
type 'long int'
gcc/ipa-prop.c:2489:30: runtime error: member call on null pointer of type
'struct ipa_polymorphic_call_context'
gcc/loop-iv.c:2670:25: runtime error: signed integer overflow: 100 -
-9223372036854775808 cannot be represented in type 'long int'
gcc/simplify-rtx.c:5189:10: runtime error: shift exponent -56 is negative
gcc/tree-data-ref.c:2411:38: runtime error: signed integer overflow: 1073741824
+ 1073741824 cannot be represented in type 'int'
gcc/tree-data-ref.c:2500:16: runtime error: signed integer overflow: 131072 *
-131072 cannot be represented in type 'int'
gcc/tree-data-ref.c:2501:16: runtime error: negation of -2147483648 cannot be
represented in type 'int'; cast to an unsigned type to negate this value to
itself
gcc/tree-data-ref.c:2502:16: runtime error: negation of -2147483648 cannot be
represented in type 'int'; cast to an unsigned type to negate this value to
itself
libiberty/cp-demangle.c:4074:40: runtime error: variable length array bound
evaluates to non-positive value 0
libiberty/cp-demangle.c:4075:43: runtime error: variable length array bound
evaluates to non-positive value 0