http://llvm.org/bugs/show_bug.cgi?id=10879
Summary: Possibly mismatched push_back/pop_back in
SemaTemplateInstantiate.cpp
Product: clang
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Created an attachment (id=7232)
--> (http://llvm.org/bugs/attachment.cgi?id=7232)
An example showing template instantiation stack bleed.
There is an error in the template instantiation stack. The symptom is somewhat
misleading. Running clang++ against the attached example gives you this error:
clang-sync-tying.cc:27:38: error: cannot initialize a parameter of type
'volatile char *' with an rvalue of type 'ValueType *' (aka 'void **')
if (__sync_bool_compare_and_swap(&Self()->Value(), that.Value(), expect)) {
^~~~~~~~~~~~~~~~
clang-sync-tying.cc:55:12: note: in instantiation of member function
'CompareSwapImpl<CompareSwappableValue<void *>, void *>::CompareSwap'
requested here
csv_ptr1.CompareSwap(csv_ptr2, (void *) 1u);
^
1 error generated.
The instantiation here should find the first argument to
__sync_bool_compare_and_swap() the type of void *volatile *, not volatile char
*. The type volatile char * comes from the previous instantiation.
liulk
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