File disable_failing_cxxflags.diff of Package libqt5-creator

diff --git a/src/shared/clang/clang_installation.pri b/src/shared/clang/clang_installation.pri
index 7ef42f2911..1a53780c29 100644
--- a/src/shared/clang/clang_installation.pri
+++ b/src/shared/clang/clang_installation.pri
@@ -126,6 +126,7 @@ LLVM_CXXFLAGS ~= s,-Werror=date-time,
 LLVM_CXXFLAGS ~= s,-Wcovered-switch-default,
 LLVM_CXXFLAGS ~= s,-fPIC,
 LLVM_CXXFLAGS ~= s,-pedantic,
+LLVM_CXXFLAGS ~= s,-Wstring-conversion,
 # split-dwarf needs objcopy which does not work via icecc out-of-the-box
 LLVM_CXXFLAGS ~= s,-gsplit-dwarf,