VmgExitLib fails to build with the CLANG38 toolset (clang 13.0.0):
edk2/OvmfPkg/Library/VmgExitLib/VmgExitVcHandler.c:1875:9: error:
variable 'Compacted' is used uninitialized whenever 'if' condition is
false [-Werror,-W
sometimes-uninitialized]
if (EcxIn == 1) {
^~~~~~~~~~
edk2/OvmfPkg/Library/VmgExitLib/VmgExitVcHandler.c:1895:12: note:
uninitialized use occurs here
Compacted
^~~~~~~~~
edk2/OvmfPkg/Library/VmgExitLib/VmgExitVcHandler.c:1875:5: note: remove
the 'if' if its condition is always true
if (EcxIn == 1) {
^~~~~~~~~~~~~~~~
edk2/OvmfPkg/Library/VmgExitLib/VmgExitVcHandler.c:1871:37: note:
initialize the variable 'Compacted' to silence this warning
BOOLEAN Compacted;
^
= '\0'
--
Rebecca Cran
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