wangtao
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[ELF] Assert sizeof(SymbolUnion) <= 80 

Reviewed By: ruiu

Differential Revision: https://reviews.llvm.org/D64077

llvm-svn: 365443
This commit is contained in:
Fangrui Song 2019-07-09 07:12:58 +00:00
parent c117be6fc6
commit 50e7f45b28
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lld/ELF/Symbols.h
View File

@ -460,6 +460,11 @@ union SymbolUnion {
alignas(LazyObject) char F[sizeof(LazyObject)];
};
// It is important to keep the size of SymbolUnion small for performance and
// memory usage reasons. 80 bytes is a soft limit based on the size of Defined
// on a 64-bit system.
static_assert(sizeof(SymbolUnion) <= 80, "SymbolUnion too large");
template <typename T> struct AssertSymbol {
static_assert(std::is_trivially_destructible<T>(),
"Symbol types must be trivially destructible");