| Message ID | 4D93896A.7010809@redhat.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index b88e190..48dd4ee 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -7741,6 +7741,8 @@ potential_constant_expression_1 (tree t, bool want_rval, tsubst_flags_t flags) case BIT_XOR_EXPR: case BIT_AND_EXPR: case TRUTH_XOR_EXPR: + case UNORDERED_EXPR: + case ORDERED_EXPR: case UNLT_EXPR: case UNLE_EXPR: case UNGT_EXPR: diff --git a/gcc/testsuite/g++.dg/cpp0x/regress/isnan.C b/gcc/testsuite/g++.dg/cpp0x/regress/isnan.C new file mode 100644 index 0000000..40d07e5 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/regress/isnan.C @@ -0,0 +1,9 @@ +// PR c++/48369 +// { dg-options -std=gnu++0x } + +extern "C" int isnan (double); + +void f(double d) +{ + bool b = isnan(d); +}
A couple of missed cases. Tested x86_64-pc-linux-gnu, applying to trunk and 4.6. commit cea17025eb232f3931ce34e16dedff7fd42d2478 Author: Jason Merrill <jason@redhat.com> Date: Wed Mar 30 15:17:27 2011 -0400 PR c++/48369 * semantics.c (potential_constant_expression_1): Handle UNORDERED_EXPR and ORDERED_EXPR.