From a5c37adc47d91176bdd64250a1f44f26b36215ac Mon Sep 17 00:00:00 2001
From: Noel Grandin <noel.grandin@collabora.co.uk>
Date: Tue, 11 May 2021 13:28:35 +0200
Subject: [PATCH] loplugin:implicitboolconversion workaround

after
    commit eb6819e74a66750235d3a4a894479faeee8146e2
    Date:   Sat May 1 22:13:37 2021 +0900
    change usage of boost::hash_combine to o3tl::hash_combine

Change-Id: Idc70726f7e762b49111e6505ba3f978370d7cf7c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115399
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
---
 compilerplugins/clang/implicitboolconversion.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/compilerplugins/clang/implicitboolconversion.cxx b/compilerplugins/clang/implicitboolconversion.cxx
index 14574e3cd420..7e708eb49843 100644
--- a/compilerplugins/clang/implicitboolconversion.cxx
+++ b/compilerplugins/clang/implicitboolconversion.cxx
@@ -907,6 +907,12 @@ void ImplicitBoolConversion::reportWarning(ImplicitCastExpr const * expr) {
                 }
             }
         }
+
+        // ignore template magic
+        StringRef aFileName = getFilenameOfLocation(compiler.getSourceManager().getSpellingLoc(compat::getBeginLoc(expr)));
+        if (loplugin::hasPathnamePrefix(aFileName, SRCDIR "/include/o3tl/hash_combine.hxx"))
+            return;
+
         report(
             DiagnosticsEngine::Warning,
             "implicit conversion (%0) from %1 to %2", compat::getBeginLoc(expr))