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    Contents of /trunk/gcc/patches/gcc-4.0.2-compound-literal-fix.patch

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    Revision 169 - (show annotations) (download)
    Tue May 8 21:36:54 2007 UTC (16 years, 11 months ago) by niro
    File size: 2032 byte(s) 
    -moved to patches subdir
    1 fixes compound literal issues with kernel modules
    2
    3 see https://www.redhat.com/archives/fedora-devel-list/2005-September/msg00554.html
    4 and http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24109
    5
    6 ===================================================================
    7 diff -Naur gcc-4.0.2/gcc/c-decl.c gcc-4.0.2-fixed/gcc/c-decl.c
    8 --- gcc-4.0.2/gcc/c-decl.c 2005-09-09 00:51:44.000000000 +0000
    9 +++ gcc-4.0.2-fixed/gcc/c-decl.c 2005-10-19 19:39:55.000000000 +0000
    10 @@ -7527,6 +7527,7 @@
    11 c_write_global_declarations_1 (tree globals)
    12 {
    13 tree decl;
    14 + bool reconsider;
    15
    16 /* Process the decls in the order they were written. */
    17 for (decl = globals; decl; decl = TREE_CHAIN (decl))
    18 @@ -7545,9 +7546,18 @@
    19 }
    20
    21 wrapup_global_declaration_1 (decl);
    22 - wrapup_global_declaration_2 (decl);
    23 - check_global_declaration_1 (decl);
    24 }
    25 +
    26 + do
    27 + {
    28 + reconsider = false;
    29 + for (decl = globals; decl; decl = TREE_CHAIN (decl))
    30 + reconsider |= wrapup_global_declaration_2 (decl);
    31 + }
    32 + while (reconsider);
    33 +
    34 + for (decl = globals; decl; decl = TREE_CHAIN (decl))
    35 + check_global_declaration_1 (decl);
    36 }
    37
    38 /* A subroutine of c_write_global_declarations Emit debug information for each
    39 diff -Naur gcc-4.0.2/gcc/testsuite/gcc.c-torture/execute/20050929-1.c gcc-4.0.2-fixed/gcc/testsuite/gcc.c-torture/execute/20050929-1.c
    40 --- gcc-4.0.2/gcc/testsuite/gcc.c-torture/execute/20050929-1.c 1970-01-01 00:00:00.000000000 +0000
    41 +++ gcc-4.0.2-fixed/gcc/testsuite/gcc.c-torture/execute/20050929-1.c 2005-10-19 19:41:37.000000000 +0000
    42 @@ -0,0 +1,20 @@
    43 +/* PR middle-end/24109 */
    44 +
    45 +extern void abort (void);
    46 +
    47 +struct A { int i; int j; };
    48 +struct B { struct A *a; struct A *b; };
    49 +struct C { struct B *c; struct A *d; };
    50 +struct C e = { &(struct B) { &(struct A) { 1, 2 }, &(struct A) { 3, 4 } }, &(struct A) { 5, 6 } };
    51 +
    52 +int
    53 +main (void)
    54 +{
    55 + if (e.c->a->i != 1 || e.c->a->j != 2)
    56 + abort ();
    57 + if (e.c->b->i != 3 || e.c->b->j != 4)
    58 + abort ();
    59 + if (e.d->i != 5 || e.d->j != 6)
    60 + abort ();
    61 + return 0;
    62 +}