| Message ID | 20151129185841.GD28051@kam.mff.cuni.cz |
|---|---|
| State | New |
| Headers | show |
On Sun, 29 Nov 2015, Jan Hubicka wrote: > Hi, > this patch fixes verifier ICE where we have !TYPE_PACKED variant of > TYPE_PACKED type. The fix is symmetric to earlier fix for enums. > > Bootstrapped/regtested x86_64-linux, OK? > > Honza > > PR c/67106 > * gcc.c-torture/compile/pr67106.c: New testcase. > * c-decl.c: Set TYPE_PACKED in variants. OK.
Index: testsuite/gcc.c-torture/compile/pr67106.c =================================================================== --- testsuite/gcc.c-torture/compile/pr67106.c (revision 0) +++ testsuite/gcc.c-torture/compile/pr67106.c (revision 0) @@ -0,0 +1,12 @@ +/* { dg-options "-g -fpack-struct" } */ +typedef struct S S; + +struct S +{ + struct + { + S *s; + }; + int a; +}; + Index: c/c-decl.c =================================================================== --- c/c-decl.c (revision 231020) +++ c/c-decl.c (working copy) @@ -7213,7 +7213,8 @@ start_struct (location_t loc, enum tree_ } C_TYPE_BEING_DEFINED (ref) = 1; - TYPE_PACKED (ref) = flag_pack_struct; + for (tree v = TYPE_MAIN_VARIANT (ref); v; v = TYPE_NEXT_VARIANT (v)) + TYPE_PACKED (v) = flag_pack_struct; *enclosing_struct_parse_info = struct_parse_info; struct_parse_info = XNEW (struct c_struct_parse_info);