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| author | Jason Merrill <jason@redhat.com> | 2015-10-20 02:49:13 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2015-10-20 02:49:13 -0400 |
| commit | 0d8ab59ce04e7df40bf505c7e341599b141e98c4 (patch) | |
| tree | 3a7b296e2e2611189857913cc24ab29633d02d21 /gcc | |
| parent | 620cf5ea84a3da4730462b553c5e3c17e39d8ed9 (diff) | |
| download | gcc-0d8ab59ce04e7df40bf505c7e341599b141e98c4.zip gcc-0d8ab59ce04e7df40bf505c7e341599b141e98c4.tar.gz gcc-0d8ab59ce04e7df40bf505c7e341599b141e98c4.tar.bz2 | |
re PR c++/67064 (Register asm variable broken)
PR c++/67064
* semantics.c (force_paren_expr): Don't mess with hard register vars.
From-SVN: r229021
Diffstat (limited to 'gcc')
| -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 842426b..6ffa733 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 8796b17..c0a8b32 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 0000000..afb392b --- /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; +} |