Opened 10 months ago

#9686 new defect

Two lines in one particular method crash compiler (msvc14 , Release configuration)

Reported by: Gufino2 Owned by:
Priority: normal Component: --Unset--
Keywords: compiler crash msvc14 Cc:


I cloned the repo (master, 8e303c77052bdd691d67855c0103e23b69ade3bb ), compiled the create_project solution with visual studio 2015, generated the scummvm solution using create_project.bat (option "a", all engines), then I tried to build scummvm solution in both Debug and Release configurations.
Debug builds fine, but if I try to build Release, in the final steps the linker tries to generate code (it uses LTCG for better optimization) but it crashes with a C1063: compiler limit: compiler stack overflow error.

I managed to find out the "culprit": it's the method "GroupMan::groupGetDamageCreatureOutcome" in file group.cpp in engines/dm
In depth, the compiler crash is caused by the following two lines of said method. If you try and comment out those line, Release builds fine:

groupDirections = getGroupValueUpdatedWithCreatureValue(groupDirections, curCreatureIndex, getCreatureValue(groupDirections, nextCreatureIndex));
groupCells = getGroupValueUpdatedWithCreatureValue(groupCells, curCreatureIndex, getCreatureValue(groupCells, nextCreatureIndex));

Last time I tried to clone the repo and build sources was about two months ago, and that old version did not have this problem.

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