diff options
-rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/cp/mangle.c | 24 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/abi/mangle39.C | 28 | ||||
-rw-r--r-- | libiberty/ChangeLog | 5 | ||||
-rw-r--r-- | libiberty/cp-demangle.c | 15 |
5 files changed, 73 insertions, 5 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 5f7190e..a6a3eb2 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2010-01-20 Jason Merrill <jason@redhat.com> + + PR c++/42338 + * mangle.c (write_expression): Handle tree codes that have extra + arguments in the middle-end. + 2010-01-20 Paolo Carlini <paolo.carlini@oracle.com> PR c++/42038 diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c index 13b0ed4..7e4cf66 100644 --- a/gcc/cp/mangle.c +++ b/gcc/cp/mangle.c @@ -2481,7 +2481,7 @@ write_expression (tree expr) } else { - int i; + int i, len; const char *name; /* When we bind a variable or function to a non-type template @@ -2582,7 +2582,27 @@ write_expression (tree expr) break; default: - for (i = 0; i < TREE_OPERAND_LENGTH (expr); ++i) + /* In the middle-end, some expressions have more operands than + they do in templates (and mangling). */ + switch (code) + { + case PREINCREMENT_EXPR: + case PREDECREMENT_EXPR: + case POSTINCREMENT_EXPR: + case POSTDECREMENT_EXPR: + len = 1; + break; + + case ARRAY_REF: + len = 2; + break; + + default: + len = TREE_OPERAND_LENGTH (expr); + break; + } + + for (i = 0; i < len; ++i) { tree operand = TREE_OPERAND (expr, i); /* As a GNU extension, the middle operand of a diff --git a/gcc/testsuite/g++.dg/abi/mangle39.C b/gcc/testsuite/g++.dg/abi/mangle39.C new file mode 100644 index 0000000..30a08b0 --- /dev/null +++ b/gcc/testsuite/g++.dg/abi/mangle39.C @@ -0,0 +1,28 @@ +// PR c++/42338 +// { dg-options "-std=c++0x" } +// { dg-final { scan-assembler "_Z1fIPiEDTcmppfp_Li0EET_" } } +// { dg-final { scan-assembler "_Z1gIiEvRK1AIT_EDTixfp_Li0EE" } } + +template<typename T> +auto f(T t) -> decltype(++t, 0) +{ + ++t; + return 0; +} + +template <class T> +struct A +{ + T operator[](int) const { return 0; } +}; + +template< typename T > +void g(const A<T> &a, decltype(a[0]) t) { } + +int main() +{ + f((int*)0); + + A<int> a; + g(a,1); +} diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index 6d30823..1e2fbff 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,8 @@ +2010-01-20 Jason Merrill <jason@redhat.com> + + PR c++/42338 + * cp-demangle.c (d_print_comp): Fix array index printing. + 2010-01-11 Tristan Gingold <gingold@adacore.com> * cplus-dem.c (ada_demangle): Remove prototype. diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c index d37c90e..f28e163 100644 --- a/libiberty/cp-demangle.c +++ b/libiberty/cp-demangle.c @@ -4037,9 +4037,18 @@ d_print_comp (struct d_print_info *dpi, d_append_char (dpi, '('); d_print_subexpr (dpi, d_left (d_right (dc))); - if (strcmp (d_left (dc)->u.s_operator.op->code, "cl") != 0) - d_print_expr_op (dpi, d_left (dc)); - d_print_subexpr (dpi, d_right (d_right (dc))); + if (strcmp (d_left (dc)->u.s_operator.op->code, "ix") == 0) + { + d_append_char (dpi, '['); + d_print_comp (dpi, d_right (d_right (dc))); + d_append_char (dpi, ']'); + } + else + { + if (strcmp (d_left (dc)->u.s_operator.op->code, "cl") != 0) + d_print_expr_op (dpi, d_left (dc)); + d_print_subexpr (dpi, d_right (d_right (dc))); + } if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR && d_left (dc)->u.s_operator.op->len == 1 |