[llvm-bugs] [Bug 38112] New: -Wuninitialized ignored if type is "const" pointer

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jul 9 14:55:05 PDT 2018


            Bug ID: 38112
           Summary: -Wuninitialized ignored if type is "const" pointer
           Product: clang
           Version: trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: pickensd at synopsys.com
                CC: llvm-bugs at lists.llvm.org

Compile the following with '-Wuninitialized' and clang fails to diagnose the
uninitialized variable.

------------------- test.c -----------------------
extern void foo(const char *p);

int main(){
    char *p;
    foo(p); // Should produce warning but doesn't


If "const" is removed from the parameter to "foo", the warning is emitted as

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