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-rw-r--r--Utilities/IWYU/mapping.imp3
1 files changed, 3 insertions, 0 deletions
diff --git a/Utilities/IWYU/mapping.imp b/Utilities/IWYU/mapping.imp
index 892cdcb1e..5af8b85dd 100644
--- a/Utilities/IWYU/mapping.imp
+++ b/Utilities/IWYU/mapping.imp
@@ -52,6 +52,9 @@
#{ symbol: [ "std::pair", private, "<map>", public ] },
#{ symbol: [ "std::pair", private, "<set>", public ] },
+ # HACK: iwyu wrongly thinks that <system_error> is needed for std::hash
+ { symbol: [ "std::hash", private, "<functional>", public ] },
+
# __decay_and_strip is used internally in the C++11 standard library.
# IWYU does not classify it as internal and suggests to add <type_traits>.
# To ignore it, we simply map it to a file that is included anyway.