Merge pull request #2745 from Cornelius-Riemenschneider/cpp-range-analysis

C++: Fix bug in range analysis.

Author: MathiasVP

cpp/ql/test/library-tests/rangeanalysis/rangeanalysis/RangeAnalysis.expected

@@ -59,6 +59,8 @@
 | test.cpp:183:10:183:10 | Load: i | test.cpp:175:23:175:23 | InitializeParameter: x | -1 | true | CompareLT: ... < ... | test.cpp:182:9:182:13 | test.cpp:182:9:182:13 |
 | test.cpp:185:10:185:10 | Load: i | test.cpp:175:23:175:23 | InitializeParameter: x | 0 | true | CompareLT: ... < ... | test.cpp:176:7:176:11 | test.cpp:176:7:176:11 |
 | test.cpp:187:10:187:10 | Store: i | test.cpp:175:23:175:23 | InitializeParameter: x | 0 | false | CompareLT: ... < ... | test.cpp:182:9:182:13 | test.cpp:182:9:182:13 |
-| test.cpp:199:10:199:10 | Load: i | test.cpp:197:25:197:25 | InitializeParameter: l | -1 | true | CompareLT: ... < ... | test.cpp:198:7:198:11 | test.cpp:198:7:198:11 |
-| test.cpp:202:11:202:11 | Load: i | test.cpp:197:25:197:25 | InitializeParameter: l | -3 | true | CompareLT: ... < ... | test.cpp:201:7:201:15 | test.cpp:201:7:201:15 |
-| test.cpp:208:10:208:10 | Load: x | test.cpp:206:24:206:24 | InitializeParameter: y | -3 | true | CompareLT: ... < ... | test.cpp:207:7:207:15 | test.cpp:207:7:207:15 |
+| test.cpp:194:8:194:8 | Load: l | test.cpp:191:16:191:16 | InitializeParameter: i | 0 | false | NoReason | file://:0:0:0:0 | file://:0:0:0:0 |
+| test.cpp:194:8:194:8 | Load: l | test.cpp:191:16:191:16 | InitializeParameter: i | 0 | true | NoReason | file://:0:0:0:0 | file://:0:0:0:0 |
+| test.cpp:200:10:200:10 | Load: i | test.cpp:198:25:198:25 | InitializeParameter: l | -1 | true | CompareLT: ... < ... | test.cpp:199:7:199:11 | test.cpp:199:7:199:11 |
+| test.cpp:203:11:203:11 | Load: i | test.cpp:198:25:198:25 | InitializeParameter: l | -3 | true | CompareLT: ... < ... | test.cpp:202:7:202:15 | test.cpp:202:7:202:15 |
+| test.cpp:209:10:209:10 | Load: x | test.cpp:207:24:207:24 | InitializeParameter: y | -3 | true | CompareLT: ... < ... | test.cpp:208:7:208:15 | test.cpp:208:7:208:15 |

cpp/ql/test/library-tests/rangeanalysis/rangeanalysis/test.cpp

@@ -191,6 +191,7 @@ int test15(int i, int x) {
 int test16(int i) {
   long l;
   l = i;
+  sink(l);
 }
 
 // implicit integer casts