Fixed SuperPMI collection by instantiate 'GetExactClasses' if it is null (#74037)

TIHan · web-flow · commit 69e7178a22af · 2022-08-17T12:03:32.000-07:00
diff --git a/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.cpp b/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.cpp
@@ -2705,6 +2705,9 @@ CorInfoTypeWithMod MethodContext::repGetArgType(CORINFO_SIG_INFO*       sig,
 
 void MethodContext::recGetExactClasses(CORINFO_CLASS_HANDLE baseType, int maxExactClasses, CORINFO_CLASS_HANDLE* exactClsRet, int result)
 {
+    if (GetExactClasses == nullptr)
+        GetExactClasses = new LightWeightMap<DLD, DLD>();
+
     DLD key;
     ZeroMemory(&key, sizeof(key));
     key.A = CastHandle(baseType);

Original file line number	Diff line number	Diff line change
`@@ -2705,6 +2705,9 @@ CorInfoTypeWithMod MethodContext::repGetArgType(CORINFO_SIG_INFO* sig,`
`2705`	`2705`
`2706`	`2706`	`void MethodContext::recGetExactClasses(CORINFO_CLASS_HANDLE baseType, int maxExactClasses, CORINFO_CLASS_HANDLE* exactClsRet, int result)`
`2707`	`2707`	`{`
	`2708`	`+ if (GetExactClasses == nullptr)`
	`2709`	`+ GetExactClasses = new LightWeightMap<DLD, DLD>();`
	`2710`	`+`
`2708`	`2711`	`DLD key;`
`2709`	`2712`	`ZeroMemory(&key, sizeof(key));`
`2710`	`2713`	`key.A = CastHandle(baseType);`