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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-01-19 05:38:41 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-01-19 05:38:41 +0000 |
| commit | d4d2a98fb267ed59fad4a1d2e7bfe92ac7f6a071 (patch) | |
| tree | 5df84fea89e0522ef6be3f81ea50b863d6790cca /gcc/go | |
| parent | 8386b63d3d95d4e14f220058c2c4a97044cafcc8 (diff) | |
| download | gcc-d4d2a98fb267ed59fad4a1d2e7bfe92ac7f6a071.zip gcc-d4d2a98fb267ed59fad4a1d2e7bfe92ac7f6a071.tar.gz gcc-d4d2a98fb267ed59fad4a1d2e7bfe92ac7f6a071.tar.bz2 | |
Don't crash using value of something with no value.
From-SVN: r168982
Diffstat (limited to 'gcc/go')
| -rw-r--r-- | gcc/go/gofrontend/types.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/go/gofrontend/types.cc b/gcc/go/gofrontend/types.cc index dd0a861..840de2b 100644 --- a/gcc/go/gofrontend/types.cc +++ b/gcc/go/gofrontend/types.cc @@ -482,6 +482,15 @@ bool Type::are_assignable(const Type* lhs, const Type* rhs, std::string* reason) { // Do some checks first. Make sure the types are defined. + if (rhs != NULL + && rhs->forwarded()->forward_declaration_type() == NULL + && rhs->is_void_type()) + { + if (reason != NULL) + *reason = "non-value used as value"; + return false; + } + if (lhs != NULL && lhs->forwarded()->forward_declaration_type() == NULL) { // Any value may be assigned to the blank identifier. |