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1// RUN: %clang_analyze_cc1 %s \2// RUN: -analyzer-checker=core \3// RUN: -analyzer-checker=debug.ExprInspection \4// RUN: -verify5 6// Here we test that the range based solver equivalency tracking mechanism7// assigns a properly typed range to the simplified symbol.8 9void clang_analyzer_printState(void);10void clang_analyzer_eval(int);11 12void f(int a0, int b0, int c)13{14 int a1 = a0 - b0;15 int b1 = (unsigned)a1 + c;16 if (c == 0) {17 18 int d = 7L / b1; // ...19 // At this point b1 is considered non-zero, which results in a new20 // constraint for $a0 - $b0 + $c. The type of this sym is unsigned,21 // however, the simplified sym is $a0 - $b0 and its type is signed.22 // This is probably the result of the inherent improper handling of23 // casts. Anyway, Range assignment for constraints use this type24 // information. Therefore, we must make sure that first we simplify the25 // symbol and only then we assign the range.26 27 clang_analyzer_eval(a0 - b0 != 0); // expected-warning{{TRUE}}28 }29}30