diff options
Diffstat (limited to 'src/cmd/cgo/gcc.go')
| -rw-r--r-- | src/cmd/cgo/gcc.go | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/cmd/cgo/gcc.go b/src/cmd/cgo/gcc.go index dc5639812a..79d27c3e37 100644 --- a/src/cmd/cgo/gcc.go +++ b/src/cmd/cgo/gcc.go @@ -577,8 +577,23 @@ func (p *Package) loadDWARF(f *File, conv *typeConv, names []*Name) { switch e.Tag { case dwarf.TagVariable: name, _ := e.Val(dwarf.AttrName).(string) + // As of https://reviews.llvm.org/D123534, clang + // now emits DW_TAG_variable DIEs that have + // no name (so as to be able to describe the + // type and source locations of constant strings + // like the second arg in the call below: + // + // myfunction(42, "foo") + // + // If a var has no name we won't see attempts to + // refer to it via "C.<name>", so skip these vars + // + // See issue 53000 for more context. + if name == "" { + break + } typOff, _ := e.Val(dwarf.AttrType).(dwarf.Offset) - if name == "" || typOff == 0 { + if typOff == 0 { if e.Val(dwarf.AttrSpecification) != nil { // Since we are reading all the DWARF, // assume we will see the variable elsewhere. |