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| author | Jason Merrill <jason@redhat.com> | 2011-07-08 23:33:54 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2011-07-08 23:33:54 -0400 |
| commit | 4063e61bc63c3803f8ab2d625ebe8432ac06b3da (patch) | |
| tree | 2933e4a1c40cd6d7cb203f1eec34d632fcacf4b8 /gcc/testsuite | |
| parent | 2fda8e144a7db5ba6025cfe643da0c6111cc2b0f (diff) | |
| download | gcc-4063e61bc63c3803f8ab2d625ebe8432ac06b3da.zip gcc-4063e61bc63c3803f8ab2d625ebe8432ac06b3da.tar.gz gcc-4063e61bc63c3803f8ab2d625ebe8432ac06b3da.tar.bz2 | |
re PR c++/45437 (Loses reference during update)
PR c++/45437
gcc/
* gimplify.c (goa_stabilize_expr): Handle RHS preevaluation in
compound assignment.
gcc/c-family/
* c-omp.c (check_omp_for_incr_expr): Handle preevaluation.
gcc/cp/
* typeck.c (cp_build_modify_expr): Preevaluate RHS.
From-SVN: r176072
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/expr/compound-asn1.C | 15 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/sequence-pt-1.C | 2 |
3 files changed, 22 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fc6931a..5b8be33 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2011-07-08 Jason Merrill <jason@redhat.com> + + PR c++/45437 + * g++.dg/expr/compound-asn1.C: New. + * g++.dg/warn/sequence-pt-1.C: Change one dg-error to dg-bogus. + 2011-07-08 Jakub Jelinek <jakub@redhat.com> PR target/49621 diff --git a/gcc/testsuite/g++.dg/expr/compound-asn1.C b/gcc/testsuite/g++.dg/expr/compound-asn1.C new file mode 100644 index 0000000..194235c --- /dev/null +++ b/gcc/testsuite/g++.dg/expr/compound-asn1.C @@ -0,0 +1,15 @@ +// PR c++/45437 +// { dg-options -Wsequence-point } +// { dg-do run } + +bool f(bool& b) { + b = true; + return false; +} + +int main() { + bool b = false; + b |= f(b); + if (!b) + return 1; +} diff --git a/gcc/testsuite/g++.dg/warn/sequence-pt-1.C b/gcc/testsuite/g++.dg/warn/sequence-pt-1.C index 05eee82..6a98fd7 100644 --- a/gcc/testsuite/g++.dg/warn/sequence-pt-1.C +++ b/gcc/testsuite/g++.dg/warn/sequence-pt-1.C @@ -62,7 +62,7 @@ foo (int a, int b, int n, int p, int *ptr, struct s *sptr, (a = a++) && b; /* { dg-warning "undefined" "sequence point warning" } */ b, (a = a++); /* { dg-warning "undefined" "sequence point warning" } */ (a = a++), b; /* { dg-warning "undefined" "sequence point warning" } */ - a ^= b ^= a ^= b; /* { dg-warning "undefined" "sequence point warning" } */ + a ^= b ^= a ^= b; /* { dg-bogus "undefined" "sequence point warning" } */ a = a; /* { dg-bogus "undefined" "bogus sequence point warning" } */ a = (a++ && 4); /* { dg-bogus "undefined" "bogus sequence point warning" } */ |