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22 lines
851 B
Diff
22 lines
851 B
Diff
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From 3.4 branch. Fixes test failure
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FAIL: g++.dg/abi/empty6.C (test for warnings, line 6)
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===================================================================
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RCS file: /cvs/gcc/gcc/gcc/testsuite/g++.dg/abi/empty6.C,v
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retrieving revision 1.1
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retrieving revision 1.2
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diff -u -r1.1 -r1.2
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--- gcc/gcc/testsuite/g++.dg/abi/empty6.C 2002/09/25 19:07:35 1.1
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+++ gcc/gcc/testsuite/g++.dg/abi/empty6.C 2003/06/03 19:10:09 1.2
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@@ -5,4 +5,9 @@
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struct B {
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A a; // { dg-warning "empty" }
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virtual void f () {}
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-};
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+} __attribute__((aligned(8)));
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+/* The preceding attribute is necessary on targets with
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+ BIGGEST_ALIGNMENT <= 32 to trigger the warning, as otherwise a 32 bit
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+ offset is split into DECL_FIELD_OFFSET 4 and DECL_FIELD_BIT_OFFSET 0,
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+ and then there is no discrepancy between DECL_FIELD_OFFSET and
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+ byte_position to warn about. */
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