Make drop glue for unsized value pass two arguments instead of *(data, meta)

2016-12-20 10:46:44 -07:00
parent 1b38776c1f
commit afc2dcd0ca
6 changed files with 137 additions and 226 deletions
--- a/src/librustc_llvm/lib.rs
+++ b/src/librustc_llvm/lib.rs
@@ -270,7 +270,8 @@ pub fn mk_section_iter(llof: ObjectFileRef) -> SectionIter {
 /// Safe wrapper around `LLVMGetParam`, because segfaults are no fun.
 pub fn get_param(llfn: ValueRef, index: c_uint) -> ValueRef {
    unsafe {
-        assert!(index < LLVMCountParams(llfn));
+        assert!(index < LLVMCountParams(llfn),
+            "out of bounds argument access: {} out of {} arguments", index, LLVMCountParams(llfn));
        LLVMGetParam(llfn, index)
    }
 }