diff options
Diffstat (limited to 'libiberty')
| -rw-r--r-- | libiberty/ChangeLog | 6 | ||||
| -rw-r--r-- | libiberty/cp-demangle.c | 34 | ||||
| -rw-r--r-- | libiberty/testsuite/demangle-expected | 5 |
3 files changed, 41 insertions, 4 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index 0b8977c..7453b09 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,9 @@ +2011-06-20 Jason Merrill <jason@redhat.com> + + PR c++/37089 + * cp-demangle.c (d_print_comp): Handle reference smashing. + * testsuite/demangle-expected: Test it. + 2011-06-13 Jan Kratochvil <jan.kratochvil@redhat.com> * cp-demangle.c (d_print_comp) <DEMANGLE_COMPONENT_FUNCTION_TYPE>: diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c index 3fc5266..d664e5f 100644 --- a/libiberty/cp-demangle.c +++ b/libiberty/cp-demangle.c @@ -3554,6 +3554,10 @@ static void d_print_comp (struct d_print_info *dpi, int options, const struct demangle_component *dc) { + /* Magic variable to let reference smashing skip over the next modifier + without needing to modify *dc. */ + const struct demangle_component *mod_inner = NULL; + if (dc == NULL) { d_print_error (dpi); @@ -3869,16 +3873,37 @@ d_print_comp (struct d_print_info *dpi, int options, } } } + goto modifier; + + case DEMANGLE_COMPONENT_REFERENCE: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE: + { + /* Handle reference smashing: & + && = &. */ + const struct demangle_component *sub = d_left (dc); + if (sub->type == DEMANGLE_COMPONENT_TEMPLATE_PARAM) + { + struct demangle_component *a = d_lookup_template_argument (dpi, sub); + if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST) + a = d_index_template_argument (a, dpi->pack_index); + sub = a; + } + + if (sub->type == DEMANGLE_COMPONENT_REFERENCE + || sub->type == dc->type) + dc = sub; + else if (sub->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE) + mod_inner = d_left (sub); + } /* Fall through. */ + case DEMANGLE_COMPONENT_RESTRICT_THIS: case DEMANGLE_COMPONENT_VOLATILE_THIS: case DEMANGLE_COMPONENT_CONST_THIS: case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: case DEMANGLE_COMPONENT_POINTER: - case DEMANGLE_COMPONENT_REFERENCE: - case DEMANGLE_COMPONENT_RVALUE_REFERENCE: case DEMANGLE_COMPONENT_COMPLEX: case DEMANGLE_COMPONENT_IMAGINARY: + modifier: { /* We keep a list of modifiers on the stack. */ struct d_print_mod dpm; @@ -3889,7 +3914,10 @@ d_print_comp (struct d_print_info *dpi, int options, dpm.printed = 0; dpm.templates = dpi->templates; - d_print_comp (dpi, options, d_left (dc)); + if (!mod_inner) + mod_inner = d_left (dc); + + d_print_comp (dpi, options, mod_inner); /* If the modifier didn't get printed by the type, print it now. */ diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected index c94eb3c..bbd418c 100644 --- a/libiberty/testsuite/demangle-expected +++ b/libiberty/testsuite/demangle-expected @@ -3957,6 +3957,9 @@ decltype (({parm#1}.(operator-))()) h<A>(A) _Z1fDn f(decltype(nullptr)) --format=gnu-v3 +_Z1fIRiEvOT_b +void f<int&>(int&, bool) +--format=gnu-v3 _ZN5aaaaa6bbbbbb5cccccIN23ddddddddddddddddddddddd3eeeENS2_4ffff16ggggggggggggggggENS0_9hhhhhhhhhES6_S6_S6_S6_S6_S6_S6_EE aaaaa::bbbbbb::ccccc<ddddddddddddddddddddddd::eee, ddddddddddddddddddddddd::ffff::gggggggggggggggg, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh, aaaaa::bbbbbb::hhhhhhhhh> --format=gnu-v3 @@ -4118,4 +4121,4 @@ DFA # http://sourceware.org/bugzilla/show_bug.cgi?id=11572 --format=auto _ZN3Psi7VariantIIcPKcEE5visitIIRZN11VariantTest9TestVisit11test_methodEvEUlS2_E0_RZNS6_11test_methodEvEUlcE1_RZNS6_11test_methodEvEUlNS_4NoneEE_EEENS_13VariantDetail19SelectVisitorResultIIDpT_EE4typeEDpOSG_ -Psi::VariantDetail::SelectVisitorResult<VariantTest::TestVisit::test_method()::{lambda(char const*)#2}&, VariantTest::TestVisit::test_method()::{lambda(char)#3}&, VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&>::type Psi::Variant<char, char const*>::visit<VariantTest::TestVisit::test_method()::{lambda(char const*)#2}&, VariantTest::TestVisit::test_method()::{lambda(char)#3}&, VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&>((VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&&&)...) +Psi::VariantDetail::SelectVisitorResult<VariantTest::TestVisit::test_method()::{lambda(char const*)#2}&, VariantTest::TestVisit::test_method()::{lambda(char)#3}&, VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&>::type Psi::Variant<char, char const*>::visit<VariantTest::TestVisit::test_method()::{lambda(char const*)#2}&, VariantTest::TestVisit::test_method()::{lambda(char)#3}&, VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&>((VariantTest::TestVisit::test_method()::{lambda(Psi::None)#1}&)...) |