http://llvm.org/bugs/show_bug.cgi?id=9992
Summary: clang -cc1 -fdelayed-template-parsing -emit-pch does
not save template contents in PCH
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
$ echo 'template<typename T> void f() { i can put anything here }' | clang++
-cc1 -x c++ -fdelayed-template-parsing -emit-pch -o tmp.pch
$ echo 'template<typename T> void g() { f<T>(); } int n = (g<int>(), 0);' |
./clang++ -cc1 -x c++ -fdelayed-template-parsing -include-pch tmp.pch
-emit-llvm -o - | grep _Z1fIiEvv
call void @_Z1fIiEvv()
declare void @_Z1fIiEvv()
Oops. It looks like the tokens for 'f' are neither parsed nor saved in the PCH
file, resulting in us silently losing 'f's definition.
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