commit 5a791ee4081469d65d98fe02d4c767b455f6f69b
author Reid Kleckner <rnk@google.com> Thu Mar 15 21:24:04 2018 +0000
committer Reid Kleckner <rnk@google.com> Thu Mar 15 21:24:04 2018 +0000
tree 1fcef27558e2fac244bb1b1bb402218e986975d5
parent e9dc30d2c2add1bdc363a517f87d5a5ae26d094d

Re-land r327620 "[CodeView] Initial support for emitting S_BLOCK32 symbols for lexical scopes"

This is safe to land now that we don't copy FunctionInfo when rehashing
the DenseMap.

llvm-svn: 327670

llvm/lib/MC/MCObjectStreamer.cpp

diff --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp
index 9c69a5a..0a68458 100644
--- a/llvm/lib/MC/MCObjectStreamer.cpp
+++ b/llvm/lib/MC/MCObjectStreamer.cpp
@@ -55,6 +55,7 @@
 // tree for (Hi - Lo) when Hi and Lo are offsets into the same fragment.
 static Optional<uint64_t> absoluteSymbolDiff(const MCSymbol *Hi,
                                              const MCSymbol *Lo) {
+  assert(Hi && Lo);
   if (!Hi->getFragment() || Hi->getFragment() != Lo->getFragment() ||
       Hi->isVariable() || Lo->isVariable())
     return None;