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

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    Revision 169 - (hide annotations) (download)
    Tue May 8 21:36:54 2007 UTC (17 years ago) by niro
    File size: 2032 byte(s) 
    -moved to patches subdir
    1 niro 169 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     +}