derek.holloway
7502bf64a4
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250 lines
9.8 KiB
C++
250 lines
9.8 KiB
C++
// RUN: rm -rf %t && mkdir %t
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// RUN: mkdir -p %t/ctudir
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// RUN: %clang_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
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// RUN: -emit-pch -o %t/ctudir/other.cpp.ast %S/Inputs/other.cpp
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// RUN: %clang_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
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// RUN: -emit-pch -o %t/ctudir/chain.cpp.ast %S/Inputs/chain.cpp
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// RUN: cp %S/Inputs/other.cpp.externalDefMap.ast-dump.txt %t/ctudir/externalDefMap.txt
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// RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
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// RUN: -analyzer-checker=core,debug.ExprInspection \
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// RUN: -analyzer-config eagerly-assume=false \
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// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
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// RUN: -analyzer-config ctu-dir=%t/ctudir \
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// RUN: -analyzer-config ctu-phase1-inlining=none \
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// RUN: -verify=newctu %s
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// Simulate the behavior of the previous CTU implementation by inlining all
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// functions during the first phase. This way, the second phase is a noop.
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// RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
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// RUN: -analyzer-checker=core,debug.ExprInspection \
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// RUN: -analyzer-config eagerly-assume=false \
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// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
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// RUN: -analyzer-config ctu-dir=%t/ctudir \
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// RUN: -analyzer-config ctu-phase1-inlining=all \
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// RUN: -verify=oldctu %s
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// RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
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// RUN: -analyzer-checker=core,debug.ExprInspection \
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// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
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// RUN: -analyzer-config ctu-dir=%t/ctudir \
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// RUN: -analyzer-config display-ctu-progress=true 2>&1 %s | FileCheck %s
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// CHECK: CTU loaded AST file: {{.*}}other.cpp.ast
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// CHECK: CTU loaded AST file: {{.*}}chain.cpp.ast
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#include "hdr.h"
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void clang_analyzer_eval(int);
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int f(int);
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int g(int);
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int h(int);
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int callback_to_main(int x) { return x + 1; }
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namespace myns {
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int fns(int x);
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namespace embed_ns {
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int fens(int x);
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}
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class embed_cls {
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public:
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int fecl(int x);
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};
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}
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class mycls {
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public:
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int fcl(int x);
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virtual int fvcl(int x);
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static int fscl(int x);
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class embed_cls2 {
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public:
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int fecl2(int x);
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};
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};
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class derived : public mycls {
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public:
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virtual int fvcl(int x) override;
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};
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namespace chns {
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int chf1(int x);
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}
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int fun_using_anon_struct(int);
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int other_macro_diag(int);
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extern const int extInt;
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namespace intns {
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extern const int extInt;
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}
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struct S {
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int a;
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};
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extern const S extS;
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extern S extNonConstS;
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struct NonTrivialS {
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int a;
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// User declaring a dtor makes it non-trivial.
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~NonTrivialS();
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};
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extern const NonTrivialS extNTS;
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extern const int extHere;
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const int extHere = 6;
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struct A {
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static const int a;
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};
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struct SC {
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const int a;
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};
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extern const SC extSC;
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struct ST {
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static const struct SC sc;
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};
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struct SCNest {
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struct SCN {
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const int a;
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} scn;
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};
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extern SCNest extSCN;
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extern const SCNest::SCN extSubSCN;
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struct SCC {
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SCC(int c);
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const int a;
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};
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extern SCC extSCC;
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union U {
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const int a;
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const unsigned int b;
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};
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extern const U extU;
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void test_virtual_functions(mycls* obj) {
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// The dynamic type is known.
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clang_analyzer_eval(mycls().fvcl(1) == 8); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(derived().fvcl(1) == 9); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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// We cannot decide about the dynamic type.
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clang_analyzer_eval(obj->fvcl(1) == 8); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} ctu, stu
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// oldctu-warning@-2{{TRUE}}
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// oldctu-warning@-3{{UNKNOWN}}
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}
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class TestAnonUnionUSR {
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public:
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inline float f(int value) {
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union {
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float f;
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int i;
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};
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i = value;
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return f;
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}
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static const int Test;
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};
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extern int testImportOfIncompleteDefaultParmDuringImport(int);
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extern int testImportOfDelegateConstructor(int);
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int main() {
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clang_analyzer_eval(f(3) == 2); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(f(4) == 3); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(f(5) == 3); // newctu-warning{{FALSE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{FALSE}}
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clang_analyzer_eval(g(4) == 6); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(h(2) == 8); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(myns::fns(2) == 9); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(myns::embed_ns::fens(2) == -1); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(mycls().fcl(1) == 6); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(mycls::fscl(1) == 7); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(myns::embed_cls().fecl(1) == -6); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(mycls::embed_cls2().fecl2(0) == -11); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(chns::chf1(4) == 12); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(fun_using_anon_struct(8) == 8); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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clang_analyzer_eval(other_macro_diag(1) == 1); // newctu-warning{{TRUE}} ctu
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// newctu-warning@-1{{UNKNOWN}} stu
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// oldctu-warning@-2{{TRUE}}
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// newctu-warning@Inputs/other.cpp:93{{REACHABLE}}
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// oldctu-warning@Inputs/other.cpp:93{{REACHABLE}}
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MACRODIAG(); // newctu-warning{{REACHABLE}}
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// oldctu-warning@-1{{REACHABLE}}
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// FIXME we should report an UNKNOWN as well for all external variables!
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clang_analyzer_eval(extInt == 2); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(intns::extInt == 3); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(extS.a == 4); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(extNonConstS.a == 4); // newctu-warning{{UNKNOWN}}
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// oldctu-warning@-1{{UNKNOWN}}
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// Do not import non-trivial classes' initializers.
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clang_analyzer_eval(extNTS.a == 4); // newctu-warning{{UNKNOWN}}
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// oldctu-warning@-1{{UNKNOWN}}
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clang_analyzer_eval(extHere == 6); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(A::a == 3); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(extSC.a == 8); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(ST::sc.a == 2); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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// clang_analyzer_eval(extSCN.scn.a == 9); // TODO
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clang_analyzer_eval(extSubSCN.a == 1); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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// clang_analyzer_eval(extSCC.a == 7); // TODO
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clang_analyzer_eval(extU.a == 4); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(TestAnonUnionUSR::Test == 5); // newctu-warning{{TRUE}}
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// oldctu-warning@-1{{TRUE}}
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clang_analyzer_eval(testImportOfIncompleteDefaultParmDuringImport(9) == 9);
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// newctu-warning@-1{{TRUE}} ctu
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// newctu-warning@-2{{UNKNOWN}} stu
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// oldctu-warning@-3{{TRUE}}
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clang_analyzer_eval(testImportOfDelegateConstructor(10) == 10);
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// newctu-warning@-1{{TRUE}} ctu
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// newctu-warning@-2{{UNKNOWN}} stu
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// oldctu-warning@-3{{TRUE}}
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}
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