Don't realloc(nullptr) from PSRAM by default #2473
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Several Arduino APIs realloc(NULL) which is legal and equivalent to "malloc()", but the PSRAM logic was placing those malloc calls in PSRAM and not RAM because "0" < RAM_START. Ensure the realloc address is non-null and before RAM_START before using PSRAM.
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Several Arduino APIs realloc(NULL) which is legal and equivalent to "malloc()", but the PSRAM logic was placing those malloc calls in PSRAM and not RAM because "0" < RAM_START.
Ensure the realloc address is non-null and before RAM_START before using PSRAM.