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tests: use -fno-strict-aliasing with variants

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Reported by Théophile Ranquet.

* configure.ac (NO_STRICT_ALIAS_CXXFLAGS): New.
* tests/c++.at, tests/atlocal.in, examples/local.mk: Use it.
This commit is contained in:
Akim Demaille
2012-11-26 10:42:49 +01:00
parent 15a1a08a87
commit 2f130f199a
4 changed files with 10 additions and 1 deletions
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3
tests/atlocal.in
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@@ -38,6 +38,9 @@ NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@'
CFLAGS="$NO_WERROR_CFLAGS @WERROR_CFLAGS@"
CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"
# C++ variants break strict aliasing analysis.
NO_STRICT_ALIAS_CXXFLAGS='@NO_STRICT_ALIAS_CXXFLAGS@'
# If 'exit 77'; skip all C++ tests; otherwise ':'.
BISON_CXX_WORKS='@BISON_CXX_WORKS@'

2
tests/c++.at
View File

@@ -176,7 +176,7 @@ main ()
]])
AT_BISON_CHECK([-o list.cc list.yy])
AT_COMPILE_CXX([list])
AT_COMPILE_CXX([list], [$NO_STRICT_ALIAS_CXXFLAGS list.cc])
AT_PARSER_CHECK([./list], 0,
[(0, 1, 2, 4)
])