diff options
| author | Jason Merrill <jason@redhat.com> | 2015-10-20 06:49:13 +0000 |
|---|---|---|
| committer | Jason Merrill <jason@redhat.com> | 2015-10-20 06:49:13 +0000 |
| commit | 0023fb4f7703b66d94d46b4013d0ed540b3555a5 (patch) | |
| tree | 3a7b296e2e2611189857913cc24ab29633d02d21 | |
| parent | b499441fba2b9127bd05d2697550c6e9d9ce737a (diff) | |
PR c++/67064
* semantics.c (force_paren_expr): Don't mess with hard register vars.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@229021 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/cp/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/cp/semantics.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/parse/parens3.C | 18 |
3 files changed, 23 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 842426b5f2d..6ffa733c0ac 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,8 @@ 2015-10-19 Jason Merrill <jason@redhat.com> + PR c++/67064 + * semantics.c (force_paren_expr): Don't mess with hard register vars. + Implement N4268, Do constant evaluation of all non-type template args. * parser.c (cp_parser_template_argument): For C++1z just parse a constant-expression. diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 8796b176c15..c0a8b322767 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -1660,6 +1660,8 @@ force_paren_expr (tree expr) REF_PARENTHESIZED_P (expr) = true; else if (type_dependent_expression_p (expr)) expr = build1 (PAREN_EXPR, TREE_TYPE (expr), expr); + else if (VAR_P (expr) && DECL_HARD_REGISTER (expr)) + /* We can't bind a hard register variable to a reference. */; else { cp_lvalue_kind kind = lvalue_kind (expr); diff --git a/gcc/testsuite/g++.dg/parse/parens3.C b/gcc/testsuite/g++.dg/parse/parens3.C new file mode 100644 index 00000000000..afb392bc5da --- /dev/null +++ b/gcc/testsuite/g++.dg/parse/parens3.C @@ -0,0 +1,18 @@ +// PR c++/67064 +// { dg-options "-w" } + +struct s { + int i; +}; + +register struct s *reg __asm__( "1" ); + +int f(void) +{ + int i; + + i = reg->i; + i = (reg)->i; + + return i; +} |