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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/114874] [14/15 Regression] ICE with select type, type
 is (character(*)), and substring
Date: Mon, 29 Apr 2024 20:19:36 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: fortran
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: anlauf at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114874

--- Comment #2 from anlauf at gcc dot gnu.org ---
The dump-fortran-original shows the following difference between 13 and 14:

@@ -58,7 +58,7 @@
   code:
   ASSIGN p:c 'abc'

-  BLOCK=20
+  SELECT TYPE=20
     symtree: '__tmp_CHARACTER_0_1'|| symbol: '__tmp_CHARACTER_0_1'=20
       type spec : (CHARACTER () 1)
       attributes: (VARIABLE  SELECT-TYPE-TEMPORARY ASSOCIATE-VAR)
@@ -66,7 +66,7 @@
       type spec : (UNKNOWN 0)
       attributes: (LABEL )

-    SELECT TYPE _loc[((p:c % _vptr))]
+    SELECT CASE _loc[((p:c % _vptr))]
     CASE (_loc[((p:__vtab_CHARACTER_1_))] 85893463)=20

     ASSOCIATE   =3D p:c % _data
@@ -74,11 +74,11 @@
         type spec : (UNKNOWN 0)
         attributes: (LABEL )
       WRITE UNIT=3D6 FMT=3D-1
-      TRANSFER block@1:__tmp_CHARACTER_0_1(2:2)
+      TRANSFER block@1:__tmp_CHARACTER_0_1(UNKNOWN)
       DT_END
     END ASSOCIATE=20
     END SELECT
-  END BLOCK=20
+  END SELECT TYPE=20

 CONTAINS=