http://llvm.org/bugs/show_bug.cgi?id=4386
Summary: Constant evaluation doesn't handle converting the
address of a weak global to a boolean correctly
Product: clang
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Semantic Analyzer
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Testcase:
__attribute((weak)) int foo();
int a = !foo;
clang currently evaluates "!foo" to zero; it should give an error.
I'm not sure how this should end up working with the following case:
int s(); int a = s == 0; int s() __attribute((weak));
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