Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -Wstrict-aliasing -fstrict-aliasing" } */ int foo() { int x; float& q = reinterpret_cast<float&> (x); /* { dg-message "dereferencing type-punned" "deref" } */ /* { dg-message "initialized" "note" { xfail *-*-* } .-1 } */ q = 1.0; /* { dg-warning "does break strict-aliasing" "strict-aliasing" { xfail *-*-* } } */ return x; }