In a declaration like:
enum {
a = 0x80000000,
b = -1,
}
the underlying type should be long and b's value should be
0xffffffffffffffff (on a 64-bit machine) but is 0xffffffff.
The fix is in cast_enum_list() to change the the type of the
enumeration after casting its value and not before since
the original type is needed for the cast.
This series is also available at:
git://git.kernel.org/pub/scm/devel/sparse/sparse-dev.git fix-enum-sign-extend
Dan Carpenter (1):
fix sign extension in casting enums
Luc Van Oostenryck (2):
add test for enum sign extension
remove useless optimization in cast_enum_list()
parse.c | 4 +---
validation/enum-sign-extend.c | 11 +++++++++++
2 files changed, 12 insertions(+), 3 deletions(-)
create mode 100644 validation/enum-sign-extend.c
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2.23.0
