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patches/gcc/3.3.3/empty6.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Apr 10 16:17:39 2007 +0000 (2007-04-10)
changeset 31 97e44d892c92
permissions -rw-r--r--
Use ${CT_TOP_DIR}/build as a base for build directories (used in default values for paths).
Remove this directory on distclean (hard-coded).
Mark the version to be 0.0.1-svn (no release yet). 
     1 From 3.4 branch.  Fixes test failure

     2 FAIL: g++.dg/abi/empty6.C  (test for warnings, line 6)

     3 

     4 ===================================================================

     5 RCS file: /cvs/gcc/gcc/gcc/testsuite/g++.dg/abi/empty6.C,v

     6 retrieving revision 1.1

     7 retrieving revision 1.2

     8 diff -u -r1.1 -r1.2

     9 --- gcc/gcc/testsuite/g++.dg/abi/empty6.C	2002/09/25 19:07:35	1.1

    10 +++ gcc/gcc/testsuite/g++.dg/abi/empty6.C	2003/06/03 19:10:09	1.2

    11 @@ -5,4 +5,9 @@

    12  struct B {

    13    A a; // { dg-warning "empty" }

    14    virtual void f () {}

    15 -};

    16 +} __attribute__((aligned(8)));

    17 +/* The preceding attribute is necessary on targets with

    18 +   BIGGEST_ALIGNMENT <= 32 to trigger the warning, as otherwise a 32 bit

    19 +   offset is split into DECL_FIELD_OFFSET 4 and DECL_FIELD_BIT_OFFSET 0,

    20 +   and then there is no discrepancy between DECL_FIELD_OFFSET and

    21 +   byte_position to warn about.  */
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