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/* Test for -Wtraditional warnings on union initialization.
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/* Test for -Wtraditional warnings on union initialization.
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Note, gcc should omit these warnings in system header files.
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Note, gcc should omit these warnings in system header files.
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By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000. */
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By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000. */
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-Wtraditional" } */
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/* { dg-options "-Wtraditional" } */
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union foo
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union foo
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{
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{
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int i;
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int i;
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long l;
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long l;
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};
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};
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void
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void
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testfunc ()
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testfunc ()
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{
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{
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/* Note we only warn for nonzero initializers. */
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/* Note we only warn for nonzero initializers. */
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static union foo f1 = { 0 };
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static union foo f1 = { 0 };
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static union foo f2 = { 1 }; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
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static union foo f2 = { 1 }; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
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# 21 "sys-header.h" 3
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# 21 "sys-header.h" 3
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/* We are in system headers now, no -Wtraditional warnings should issue. */
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/* We are in system headers now, no -Wtraditional warnings should issue. */
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static union foo f3 = { 0 };
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static union foo f3 = { 0 };
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static union foo f4 = { 1 };
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static union foo f4 = { 1 };
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}
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}
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