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author | Arnaud Charlet <charlet@adacore.com> | 2021-02-17 06:29:03 -0500 |
---|---|---|
committer | Pierre-Marie de Rodat <derodat@adacore.com> | 2021-06-16 04:42:57 -0400 |
commit | 331170392082ccfb782a6edb263fc2a32d058c70 (patch) | |
tree | 9b4bcbd115c878471264245679c5c37aa39158ab /gcc | |
parent | a85d1c14073af24e79f19abf50271e219511054d (diff) | |
download | gcc-331170392082ccfb782a6edb263fc2a32d058c70.zip gcc-331170392082ccfb782a6edb263fc2a32d058c70.tar.gz gcc-331170392082ccfb782a6edb263fc2a32d058c70.tar.bz2 |
[Ada] Raise expressions and unconstrained components
gcc/ada/
* sem_ch3.adb (Analyze_Component_Declaration): Do not special
case raise expressions.
gcc/testsuite/
* gnat.dg/limited4.adb: Disable illegal code.
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ada/sem_ch3.adb | 13 | ||||
-rw-r--r-- | gcc/testsuite/gnat.dg/limited4.adb | 13 |
2 files changed, 8 insertions, 18 deletions
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb index 03280e5..c6687b5 100644 --- a/gcc/ada/sem_ch3.adb +++ b/gcc/ada/sem_ch3.adb @@ -2083,21 +2083,10 @@ package body Sem_Ch3 is end if; end if; - -- Avoid reporting spurious errors if the component is initialized with - -- a raise expression (which is legal in any expression context) - - if Present (E) - and then - (Nkind (E) = N_Raise_Expression - or else (Nkind (E) = N_Qualified_Expression - and then Nkind (Expression (E)) = N_Raise_Expression)) - then - null; - -- The parent type may be a private view with unknown discriminants, -- and thus unconstrained. Regular components must be constrained. - elsif not Is_Definite_Subtype (T) + if not Is_Definite_Subtype (T) and then Chars (Id) /= Name_uParent then if Is_Class_Wide_Type (T) then diff --git a/gcc/testsuite/gnat.dg/limited4.adb b/gcc/testsuite/gnat.dg/limited4.adb index 1a8ec97..2a22a2c 100644 --- a/gcc/testsuite/gnat.dg/limited4.adb +++ b/gcc/testsuite/gnat.dg/limited4.adb @@ -22,11 +22,12 @@ procedure Limited4 is Obj2 : Lim_Tagged'Class := Lim_Tagged'Class'(raise TBD_Error); -- b) initialization expression of a CW component_declaration - - type Rec is record - Comp01 : Lim_Tagged'Class := (raise TBD_Error); - Comp02 : Lim_Tagged'Class := Lim_Tagged'Class'((raise TBD_Error)); - end record; + -- ... is illegal: cannot have unconstrained components. + -- + -- type Rec is record + -- Comp01 : Lim_Tagged'Class := (raise TBD_Error); + -- Comp02 : Lim_Tagged'Class := Lim_Tagged'Class'((raise TBD_Error)); + -- end record; -- c) the expression of a record_component_association @@ -55,4 +56,4 @@ procedure Limited4 is begin Check := Do_Test1 (raise TBD_Error); Check := Do_Test2; -end;
\ No newline at end of file +end; |