[LLD] [COFF] Fix a ubsan error in pdb-type-server-missing.yaml

mstorsjo · mstorsjo · commit d77d727339a7 · 2020-10-12T23:28:23.000+03:00
This error has been present since 5519e4d. Differential Revision: https://reviews.llvm.org/D89027
diff --git a/lld/COFF/DebugTypes.cpp b/lld/COFF/DebugTypes.cpp
@@ -1088,7 +1088,8 @@ void TypeMerger::mergeTypesWithGHash() {
   }
   parallelSort(entries, std::less<GHashCell>());
   log(formatv("ghash table load factor: {0:p} (size {1} / capacity {2})\n",
-              double(entries.size()) / tableSize, entries.size(), tableSize));
+              tableSize ? double(entries.size()) / tableSize : 0,
+              entries.size(), tableSize));
 
   // Find out how many type and item indices there are.
   auto mid =

Original file line number	Diff line number	Diff line change
`@@ -1088,7 +1088,8 @@ void TypeMerger::mergeTypesWithGHash() {`
`1088`	`1088`	`}`
`1089`	`1089`	`parallelSort(entries, std::less<GHashCell>());`
`1090`	`1090`	`log(formatv("ghash table load factor: {0:p} (size {1} / capacity {2})\n",`
`1091`		`- double(entries.size()) / tableSize, entries.size(), tableSize));`
	`1091`	`+ tableSize ? double(entries.size()) / tableSize : 0,`
	`1092`	`+ entries.size(), tableSize));`
`1092`	`1093`
`1093`	`1094`	`// Find out how many type and item indices there are.`
`1094`	`1095`	`auto mid =`