From: Eric Botcazou <ebotca...@adacore.com> This goes back to the original implementation but keeps the special size test with universal_integer to cope with its limited range.
gcc/ada/ * sem_res.adb (Resolve_Membership_Op): Adjust again latest change. Tested on x86_64-pc-linux-gnu, committed on master. --- gcc/ada/sem_res.adb | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/gcc/ada/sem_res.adb b/gcc/ada/sem_res.adb index b54ed93a7f7..348d272a399 100644 --- a/gcc/ada/sem_res.adb +++ b/gcc/ada/sem_res.adb @@ -10105,11 +10105,11 @@ package body Sem_Res is then T := Etype (R); - -- If the type of the left operand is universal_integer and that of the - -- right operand is smaller, then we do not resolve the operands to the - -- tested type but to universal_integer instead. If not conforming to - -- the letter, it's conforming to the spirit of the specification of - -- membership tests, which are typically used to guard an operation and + -- If the left operand is of a universal numeric type and the right + -- operand is not, we do not resolve the operands to the tested type + -- but to the universal type instead. If not conforming to the letter, + -- it's conforming to the spirit of the specification of membership + -- tests, which are typically used to guard a specific operation and -- ought not to fail a check in doing so. Without this, in the case of -- type Small_Length is range 1 .. 16; @@ -10127,9 +10127,14 @@ package body Sem_Res is -- for example the large values of Long_Long_Long_Unsigned. elsif not Is_Overloaded (L) - and then Etype (L) = Universal_Integer + and then Is_Universal_Numeric_Type (Etype (L)) and then (Is_Overloaded (R) - or else RM_Size (Etype (R)) < RM_Size (Universal_Integer)) + or else + (not Is_Universal_Numeric_Type (Etype (R)) + and then + (not Is_Integer_Type (Etype (R)) + or else + RM_Size (Etype (R)) < RM_Size (Universal_Integer)))) then T := Etype (L); -- 2.34.1